
When considering the carbohydrate content in a cup of mushroom soup, it’s important to note that the exact amount can vary significantly depending on the recipe, brand, and ingredients used. Typically, a cup of canned or store-bought mushroom soup contains around 10 to 15 grams of carbohydrates, with variations due to added thickeners like flour or cream. Homemade versions may have fewer carbs if made with whole ingredients and less added sugar or starch. For those monitoring their carb intake, checking the nutrition label or calculating based on specific ingredients is essential to accurately determine the carbohydrate content.
| Characteristics | Values |
|---|---|
| Serving Size | 1 cup (240g) |
| Carbohydrates | ~10-15g (varies by brand/recipe) |
| Dietary Fiber | ~1-3g |
| Sugars | ~2-5g |
| Net Carbs | ~7-12g (total carbs minus fiber) |
| Calories | ~100-150 kcal |
| Fat | ~6-10g |
| Protein | ~3-6g |
| Sodium | ~500-800mg |
| Brand Variation | Values may differ; check specific product labels |
| Homemade Recipe | Carbs can be lower if using low-carb ingredients |
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What You'll Learn

Carb Content in Cream-Based Mushroom Soup
Cream-based mushroom soup, a comforting classic, often raises questions about its carbohydrate content, particularly for those monitoring their carb intake. A typical one-cup serving of cream of mushroom soup contains approximately 12 to 15 grams of carbohydrates. This range can vary depending on the brand, recipe, and ingredients used, such as the type of cream or thickeners added. For context, this carb count is relatively moderate compared to other creamy soups, which can range from 10 to 20 grams per cup. Understanding this baseline is crucial for anyone tracking macronutrients or following a low-carb diet.
Analyzing the sources of carbs in cream-based mushroom soup reveals that the primary contributors are the cream, flour or starch thickeners, and occasionally added sugars. Heavy cream itself is low in carbs, but when combined with flour or cornstarch for thickening, the carb count increases. Homemade versions often allow for better control over these ingredients, enabling reductions in carbs by using alternatives like almond flour or xanthan gum. Store-bought options, however, may include hidden sugars or fillers, so checking labels is essential for accuracy.
For those aiming to reduce carb intake, modifying the recipe can yield significant results. Substituting traditional cream with coconut cream or unsweetened almond milk reduces carbs while maintaining creaminess. Omitting flour-based thickeners in favor of pureed cauliflower or mushrooms not only cuts carbs but also adds fiber and nutrients. A practical tip is to start with small ingredient swaps and adjust based on texture and taste preferences. For example, replacing 1 tablespoon of flour (about 6 grams of carbs) with an equal amount of pureed mushrooms can save up to 4 grams of carbs per serving.
Comparatively, cream-based mushroom soup is carb-friendlier than potato or corn-based soups but higher than broth-based options like chicken or vegetable soup. Its carb content places it in a middle ground, making it a viable option for occasional indulgence rather than a daily staple in low-carb diets. Pairing it with a low-carb side, such as a green salad or roasted vegetables, can balance the meal and prevent carb overload. Awareness of portion size is also key, as a single cup is a standard serving, but larger portions can quickly double the carb count.
In conclusion, while cream-based mushroom soup is not inherently low-carb, its carb content can be managed through mindful ingredient choices and portion control. Whether opting for store-bought or homemade, understanding the sources of carbs and making strategic substitutions allows for enjoyment without derailing dietary goals. For those strictly limiting carbs, treating this soup as an occasional treat rather than a regular meal component is a practical approach. With a few adjustments, this comforting dish can fit into a balanced, carb-conscious lifestyle.
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Low-Carb Mushroom Soup Variations
A typical cup of mushroom soup contains around 15-20 grams of carbs, largely from flour-based thickeners and starchy vegetables. For those following low-carb diets like keto or paleo, this can be a deal-breaker. However, with strategic ingredient swaps, mushroom soup can become a carb-conscious comfort food. The key lies in replacing high-carb components while preserving the earthy, umami essence of mushrooms.
Creamy Without the Carbs
Traditional mushroom soup relies on roux (butter and flour) for creaminess, adding 5-8 grams of carbs per serving. Substitute almond flour or coconut flour for thickening, reducing carbs to 2-3 grams per tablespoon. Alternatively, blend a portion of the sautéed mushrooms into a puree for natural thickness. Heavy cream or unsweetened coconut milk can replace milk, adding richness without carbs. For a dairy-free option, use full-fat coconut cream, which contributes less than 1 gram of carbs per quarter cup.
Vegetable Smart Swaps
Carrot and potato chunks, common in mushroom soup, add unnecessary carbs. Replace them with low-carb vegetables like celery, zucchini, or cauliflower florets, which contribute less than 2 grams of carbs per half cup. Shirataki noodles, made from konjac root, can mimic the texture of egg noodles in stroganoff-style soups, adding virtually zero carbs. Always sauté mushrooms in butter or olive oil to enhance their natural flavors without relying on high-carb additives.
Broth and Seasoning Hacks
Store-bought broths often contain hidden sugars, adding 1-3 grams of carbs per cup. Opt for unsweetened, low-sodium bone broth or make your own. Boost flavor with low-carb seasonings like garlic, thyme, and nutritional yeast, which mimics the savory notes of Parmesan without the carbs. A splash of tamari (gluten-free soy sauce) or coconut aminos adds depth, with only 1 gram of carbs per teaspoon.
Portion and Pairing Tips
A low-carb mushroom soup typically contains 5-8 grams of carbs per cup when prepared with these modifications. Pair it with a side of leafy greens or a small serving of grilled chicken to balance the meal. For keto dieters, aim for under 10 grams of carbs per serving, while paleo followers should avoid dairy-based creams. Always check labels for hidden sugars in pre-packaged ingredients, as even small amounts can add up.
By focusing on whole, unprocessed ingredients and mindful substitutions, mushroom soup transforms into a satisfying, low-carb option. Whether you’re cutting carbs for health or dietary reasons, these variations ensure you don’t sacrifice flavor for nutrition.
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Carbs in Canned vs. Homemade Soup
A cup of mushroom soup can vary significantly in carb content depending on whether it’s canned or homemade. Canned mushroom soup often contains added sugars, thickeners like flour, and preservatives, pushing carb counts to 15–20 grams per cup. Homemade versions, however, allow for control over ingredients, typically ranging from 5–10 grams of carbs per cup when using low-carb vegetables and minimal starches. This disparity highlights the importance of understanding what goes into your soup.
Analyzing the carb sources in canned soup reveals hidden culprits. Many brands use cornstarch or wheat flour as thickeners, contributing 5–8 grams of carbs per serving. Additionally, cream-based canned soups often include sugar or high-fructose corn syrup for flavor balance, adding another 3–5 grams. Homemade soup, on the other hand, lets you substitute thickeners with low-carb alternatives like xanthan gum or almond flour, and you can skip added sugars entirely. This customization makes homemade soup a better option for carb-conscious diets.
For those aiming to reduce carb intake, making mushroom soup from scratch is straightforward. Start by sautéing mushrooms, onions, and garlic in butter or olive oil. Use unsweetened almond milk or heavy cream instead of traditional dairy to keep carbs low. Thicken with a tablespoon of xanthan gum or a puree of cauliflower for a creamy texture without added starch. Season with herbs like thyme and a splash of soy sauce for depth. This approach yields a soup with fewer than 10 grams of carbs per cup, compared to the 15–20 grams in canned varieties.
It’s worth noting that not all canned soups are created equal. Some brands offer low-carb or keto-friendly options, but these are often pricier and harder to find. Reading labels is crucial—look for products with fewer than 10 grams of carbs per serving and avoid those with added sugars or starchy thickeners. However, even the "healthier" canned options rarely match the carb control and freshness of homemade soup. Investing 30 minutes in preparing a batch at home can provide a week’s worth of low-carb meals, making it a practical and cost-effective choice.
Ultimately, the carb difference between canned and homemade mushroom soup boils down to ingredient transparency and control. While canned soup offers convenience, its carb content is often inflated by hidden additives. Homemade soup, though requiring more effort, allows you to tailor ingredients to your dietary needs, ensuring a lower carb count and a fresher flavor. For anyone monitoring carb intake, the homemade route is not just a preference—it’s a strategic decision.
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Impact of Added Ingredients on Carbs
A cup of plain mushroom soup typically contains around 15-20 grams of carbs, primarily from the vegetables and broth. However, this number can skyrocket when additional ingredients are introduced, often without the cook’s awareness. Cream, flour-based thickeners, and starchy vegetables like potatoes are common culprits, each adding 5-10 grams of carbs per serving. Even small amounts of these ingredients can significantly alter the soup’s nutritional profile, making portion control critical for carb-conscious diets.
Consider the role of cream, a staple in many mushroom soup recipes. A single tablespoon of heavy cream adds 0.4 grams of carbs, but recipes often call for half a cup or more, contributing upwards of 6 grams of carbs. Similarly, using all-purpose flour as a thickener adds 8 grams of carbs per tablespoon. For those monitoring carb intake, substituting almond flour (2 grams of carbs per tablespoon) or relying on pureed mushrooms for thickness can reduce carb content by 75%. These swaps maintain texture while aligning with dietary goals.
Starchy add-ins like potatoes or rice further complicate matters. Adding half a cup of diced potatoes increases carbs by 15 grams, while the same amount of cooked rice adds 22 grams. To mitigate this, focus on low-carb vegetables such as spinach, zucchini, or cauliflower, which add bulk and nutrients without spiking carb counts. For example, replacing potato with an equal volume of cauliflower reduces carbs by 12 grams per serving, making the soup more diabetes-friendly or keto-compatible.
Herbs and spices, often overlooked, can also impact carb content subtly. While fresh herbs like thyme or parsley are negligible in carbs, dried versions or spice blends may contain added sugars or starches. Always check labels and opt for whole spices to avoid hidden carbs. Additionally, pre-made broth or stock can contribute 1-3 grams of carbs per cup if they contain added sugars or thickeners, so choosing low-sodium, unsweetened varieties is essential for precise carb management.
Ultimately, the impact of added ingredients on carb content in mushroom soup is cumulative and controllable. By scrutinizing each component—from cream and thickeners to vegetables and seasonings—home cooks can tailor recipes to meet specific dietary needs. For instance, a keto-friendly version might use coconut cream (1 gram of carbs per tablespoon) and xanthan gum (0 grams of carbs) for thickening, keeping the total carbs under 10 grams per cup. Awareness and substitution are key to enjoying mushroom soup without compromising carb limits.
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Mushroom Soup and Keto Diet Compatibility
A cup of mushroom soup typically contains around 10-15 grams of carbohydrates, depending on the recipe and ingredients used. This range is crucial for those following a keto diet, which generally limits daily carb intake to 20-50 grams. While mushroom soup can fit into a keto meal plan, its compatibility hinges on mindful ingredient selection and portion control.
Analyzing the Carb Sources
The primary carb contributors in mushroom soup are often starchy thickeners like flour or cornstarch, potatoes, or cream-based additives. Traditional recipes may also include high-carb vegetables like carrots or peas. To make mushroom soup keto-friendly, opt for low-carb thickeners such as xanthan gum, almond flour, or coconut cream. Swap starchy vegetables for leafy greens or zucchini, and choose unsweetened, full-fat cream or bone broth as the base. These adjustments can reduce the carb count to 5-8 grams per cup, aligning with keto guidelines.
Practical Tips for Keto-Friendly Mushroom Soup
Start by sautéing mushrooms in butter or olive oil to enhance flavor without adding carbs. Use homemade bone broth or unsweetened almond milk as the liquid base. For creaminess, add heavy cream or coconut milk instead of milk or pre-made cream soups, which often contain added sugars. Season with herbs, garlic, and spices to boost flavor without carbs. If using canned or store-bought mushroom soup, check labels carefully for hidden sugars and choose low-carb options. A 1-cup serving of keto-adapted mushroom soup can be a satisfying, guilt-free addition to your meal plan.
Comparing Homemade vs. Store-Bought Options
Homemade mushroom soup offers greater control over carb content, allowing you to tailor ingredients to your keto needs. Store-bought versions, even those labeled "low-carb," often contain hidden sugars or thickeners that can derail your macros. For example, a popular canned mushroom soup may have 12 grams of carbs per cup, while a homemade version with almond flour and coconut cream can reduce this to 6 grams. Investing time in homemade soup ensures transparency and aligns better with keto principles.
Incorporating Mushroom Soup into Your Keto Diet
To maximize keto compatibility, pair a cup of low-carb mushroom soup with high-fat, moderate-protein dishes like grilled chicken or avocado salad. Use it as a side dish or light meal, ensuring it fits within your daily carb limit. For added convenience, prepare large batches and freeze individual portions for quick keto-friendly meals. By making informed choices, mushroom soup can be a flavorful, nourishing addition to your keto diet without compromising your goals.
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Frequently asked questions
The carb content in a cup of mushroom soup varies by brand and recipe, but it typically ranges from 10 to 20 grams.
Yes, homemade mushroom soup often has fewer carbs because it avoids added sugars and thickeners commonly found in canned versions.
Yes, low-carb mushroom soup options exist, especially those made with cream, broth, and minimal thickeners, which can have as few as 5-10 grams of carbs per cup.
Mushrooms themselves are low in carbs, so the type of mushroom used has minimal impact. The carb count is more influenced by added ingredients like flour, cream, or vegetables.
To reduce carbs, use heavy cream instead of milk, avoid flour or cornstarch as thickeners, and limit starchy vegetables like potatoes in the recipe.

























