
Cream of mushroom soup is a popular comfort food and versatile ingredient in many recipes, but its carbohydrate content can vary depending on the brand and preparation method. Typically, a 1-cup serving of canned cream of mushroom soup contains around 15 to 20 grams of carbohydrates, with the majority coming from added sugars and starches used as thickeners. Homemade versions may offer more control over carb content, as you can adjust ingredients like flour or cream to suit dietary needs. For those following low-carb or keto diets, it’s essential to check labels or modify recipes to reduce carbohydrate intake while still enjoying this creamy, savory dish.
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What You'll Learn

Carbs in condensed cream of mushroom soup
Condensed cream of mushroom soup, a pantry staple for many, often serves as a base for casseroles, sauces, and comfort dishes. Its carbohydrate content, however, can be a point of concern for those monitoring their carb intake. A typical 10.5-ounce can of condensed cream of mushroom soup contains approximately 12 to 15 grams of carbohydrates. This value primarily stems from added ingredients like flour or starch, which thicken the soup and contribute to its carb count. For context, this is roughly equivalent to the carbs in a slice of whole-grain bread, making it a moderate-carb item rather than a low-carb one.
Analyzing the nutritional breakdown reveals that not all carbs in condensed cream of mushroom soup are created equal. Most of the carbohydrates come from refined sources, such as wheat flour or modified food starch, which can cause quicker spikes in blood sugar compared to complex carbs. For individuals following a low-carb or ketogenic diet, this distinction is crucial. To mitigate the impact, consider diluting the condensed soup with water or low-carb milk, which reduces the carb concentration per serving. Alternatively, opt for homemade versions using almond flour or xanthan gum as thickeners to lower the overall carb content.
From a practical standpoint, portion control is key when incorporating condensed cream of mushroom soup into a carb-conscious diet. A full can contains about 2.5 servings, meaning a single serving (about ½ cup) typically delivers 4 to 6 grams of carbs. For those tracking macros, this allows for flexibility in meal planning. Pairing the soup with high-fiber vegetables or lean protein can also slow carbohydrate absorption, making it a more balanced option. Always check the label, as brands vary slightly in their carb counts and ingredient lists.
Persuasively, it’s worth noting that while condensed cream of mushroom soup isn’t inherently carb-heavy, its convenience often leads to overuse in recipes. For instance, a classic green bean casserole might use an entire can, contributing 12 to 15 grams of carbs per serving. To reduce this, experiment with substituting half the condensed soup with a low-carb alternative, such as a blend of heavy cream and mushroom puree. This preserves the creamy texture while significantly cutting down on carbs. Small adjustments like these can make traditional recipes more aligned with dietary goals without sacrificing flavor.
In comparison to other canned soups, condensed cream of mushroom soup falls in the middle range for carb content. Broth-based soups like chicken noodle tend to be lower in carbs, while chowders and bisques often contain more due to their creamy bases. This positions cream of mushroom soup as a moderate choice, but one that requires mindful use. For those seeking a lower-carb alternative, ready-to-serve versions of cream of mushroom soup typically contain fewer carbs per cup due to their diluted nature. However, condensed varieties remain more versatile for cooking, making them a trade-off between convenience and carb management.
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Carbs in canned vs. homemade versions
The carbohydrate content in cream of mushroom soup varies significantly between canned and homemade versions, primarily due to differences in ingredients and preparation methods. Canned soups often contain added thickeners like flour or cornstarch, which contribute to a higher carb count. For instance, a 1-cup serving of a popular canned cream of mushroom soup typically contains around 15–20 grams of carbs. In contrast, homemade versions allow for greater control over ingredients, enabling the use of low-carb thickeners like xanthan gum or almond flour, which can reduce carb content to as low as 5–10 grams per cup.
Analyzing the ingredients list reveals why canned soups tend to be carb-heavy. Many brands include sugar, modified food starch, or wheat flour, which are high in carbohydrates. Additionally, the serving size matters—a standard can often contains 2–3 servings, meaning carb intake can easily double or triple if the entire can is consumed. Homemade soup, on the other hand, allows for customization, such as omitting added sugars or using cream instead of milk to further reduce carbs. This flexibility makes homemade versions ideal for low-carb diets like keto or paleo.
For those aiming to minimize carb intake, preparing cream of mushroom soup at home is a practical strategy. Start by sautéing mushrooms in butter or olive oil, then add low-carb vegetables like onions or leeks. Thicken the soup with a small amount of xanthan gum or a roux made from almond flour and butter. Incorporate heavy cream or unsweetened almond milk for creaminess without added sugars. This approach not only reduces carbs but also eliminates preservatives and artificial additives commonly found in canned soups.
A comparative analysis highlights the trade-offs between convenience and nutritional control. Canned soups offer quick meal solutions but often come with higher carbs and less transparency in ingredient sourcing. Homemade soups require more time and effort but provide the ability to tailor carb content and overall nutrition. For example, using shiitake or portobello mushrooms can enhance flavor without adding carbs, while canned versions may rely on salt and additives for taste. The choice ultimately depends on individual priorities—whether convenience or carb management takes precedence.
In conclusion, the carb content in cream of mushroom soup is a key differentiator between canned and homemade versions. While canned soups average 15–20 grams of carbs per cup, homemade alternatives can be crafted to contain as few as 5–10 grams. By understanding ingredient contributions and employing low-carb thickening agents, individuals can enjoy this comforting dish without compromising dietary goals. Whether opting for convenience or customization, awareness of these differences empowers informed decision-making.
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Low-carb cream of mushroom soup options
Traditional cream of mushroom soup recipes often rely heavily on flour as a thickening agent, contributing to a carb count that can range from 10 to 15 grams per cup. This poses a challenge for those following low-carb diets, such as keto or paleo, who aim to keep their daily carb intake below 50 grams. However, with a few strategic ingredient swaps, it’s entirely possible to create a creamy, flavorful mushroom soup that aligns with low-carb goals.
One effective method is to replace flour with low-carb thickeners like xanthan gum or glucomannan powder. A mere ¼ teaspoon of xanthan gum can achieve the same thickening effect as 2 tablespoons of flour, slashing carb content dramatically. Another option is to use cauliflower puree as a base, which adds creaminess without the carbs. For example, blending 1 cup of steamed cauliflower into the soup reduces carbs by up to 10 grams per serving while maintaining a rich texture.
For those who prefer a dairy-free or vegan approach, coconut cream or almond milk can replace heavy cream. While coconut cream adds a subtle sweetness, unsweetened almond milk keeps the flavor neutral. Pairing these alternatives with nutritional yeast provides a cheesy, umami flavor without the carbs typically found in cheese or flour-based roux. A tablespoon of nutritional yeast adds just 1 gram of carbs while enhancing the soup’s depth.
Portion control and ingredient sourcing also play a role in keeping carbs low. Opt for fresh mushrooms instead of canned varieties, as canned mushrooms often contain added sugars or starches. A 1-cup serving of fresh mushrooms contains only 2 grams of carbs, making them an ideal base. Additionally, limiting high-carb vegetables like carrots or peas and focusing on low-carb options like spinach or zucchini ensures the soup remains keto-friendly.
Finally, homemade low-carb cream of mushroom soup allows for customization to suit individual dietary needs. For instance, adding a splash of bone broth boosts collagen intake, while incorporating herbs like thyme or garlic enhances flavor without adding carbs. By focusing on these simple yet effective swaps, anyone can enjoy a comforting bowl of cream of mushroom soup without derailing their low-carb lifestyle.
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Carbs in popular brands (e.g., Campbell’s)
Campbell's Condensed Cream of Mushroom Soup, a pantry staple for generations, contains approximately 14 grams of net carbs per 1/2 cup serving. This figure places it squarely in the "moderate carb" category, making it a consideration for those monitoring carbohydrate intake. The carb content primarily stems from added ingredients like wheat flour and modified food starch, which thicken the soup and contribute to its signature creamy texture.
For context, a single serving of this soup accounts for roughly 5-7% of the daily carb allowance in a standard 2000-calorie diet. However, portion control is critical here: the entire can, often used in recipes like casseroles or sauces, packs 42 grams of net carbs, pushing it into higher-carb territory. Those following low-carb diets, such as keto (typically <20-50g carbs/day), may need to treat this as a "sometimes" ingredient rather than a daily option.
Not all cream of mushroom soups are created equal. For instance, Campbell’s Healthy Request Cream of Mushroom Soup reduces carbs slightly to 12 grams per serving by using modified cornstarch and less flour. Meanwhile, Progresso’s Traditional Cream of Mushroom Soup contains 16 grams of carbs per 1/2 cup, slightly higher due to its thicker consistency and added cream. Store brands often mirror Campbell’s carb count but may vary by 1-2 grams depending on thickeners used.
To minimize carb impact, consider these practical swaps: dilute condensed soup with unsweetened almond milk instead of water, or opt for Pacific Foods Organic Cream of Mushroom Soup, which contains 8 grams of carbs per serving thanks to its simpler ingredient list (no added starches). Alternatively, homemade versions using xanthan gum or cauliflower puree as thickeners can slash carbs to 4-6 grams per serving, though this requires more prep time.
Ultimately, while traditional cream of mushroom soups like Campbell’s offer convenience, their carb content demands awareness. For low-carb diets, portioning, brand selection, or DIY alternatives are essential strategies to enjoy this classic comfort flavor without derailing nutritional goals.
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Impact of added ingredients on carb count
A standard 1-cup serving of canned cream of mushroom soup typically contains around 10-15 grams of carbohydrates. However, this baseline can fluctuate significantly when additional ingredients are introduced, either during homemade preparation or through recipe modifications. Understanding how these additions impact carb count is crucial for anyone monitoring their carbohydrate intake, whether for dietary restrictions, health goals, or personal preference.
Analyzing Common Add-Ins:
Thickeners like flour or roux are often used to enhance texture but can dramatically increase carb content. For instance, adding 2 tablespoons of all-purpose flour (approximately 10 grams of carbs) to a soup batch can elevate the per-serving carb count by 2-3 grams, depending on portion size. Similarly, starchy vegetables such as potatoes or peas, while nutritious, contribute roughly 15 grams of carbs per ½ cup serving. Even seemingly innocuous ingredients like diced onions or garlic add small amounts of carbs—about 1-2 grams per tablespoon—that accumulate with larger quantities.
Strategic Substitutions for Lower Carb Counts:
For those aiming to reduce carbs, substituting traditional thickeners with alternatives like xanthan gum (0 grams of carbs per ¼ teaspoon) or almond flour (2 grams of carbs per 2 tablespoons) can maintain texture without spiking carb content. Incorporating non-starchy vegetables such as spinach, zucchini, or mushrooms adds bulk and nutrients while keeping carbs minimal—mushrooms, for example, contribute only 2 grams of carbs per cup. Using unsweetened almond milk or coconut cream instead of dairy can also lower overall carbs, as these alternatives typically contain 1-2 grams per cup compared to 7-9 grams in whole milk.
Portion Control and Serving Size Considerations:
The impact of added ingredients is magnified by serving size. A recipe that includes ½ cup of diced carrots (6 grams of carbs) and ¼ cup of wild rice (35 grams of carbs) in a large pot of soup will yield a higher carb count per bowl if servings are generous. To mitigate this, measure portions carefully—a 1-cup serving versus a 1.5-cup serving can mean the difference of 5-10 grams of carbs. Pairing carb-heavy soups with low-carb sides, such as a green salad or roasted broccoli, can also balance the meal’s overall carb profile.
Practical Tips for Carb-Conscious Cooking:
When modifying cream of mushroom soup recipes, start by calculating the total carbs of all ingredients before cooking, then divide by the number of servings to determine per-serving impact. For example, a recipe with 1 cup of diced potatoes (26 grams of carbs) and ½ cup of heavy cream (2 grams of carbs) in 4 servings results in approximately 7 grams of carbs per serving from these additions alone. Always read labels when using canned or pre-made ingredients, as some brands add sugar or starches that inflate carb counts. Finally, experiment with herb and spice combinations—such as thyme, paprika, or garlic powder—to enhance flavor without adding carbs, ensuring the soup remains satisfying and aligned with dietary needs.
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Frequently asked questions
A typical 10.5-ounce can of condensed cream of mushroom soup contains around 12-15 grams of carbohydrates.
Yes, the carb count can vary by brand and whether the soup is condensed, ready-to-serve, or low-carb. Always check the nutrition label for accurate information.
Yes, some brands offer low-carb or keto-friendly versions of cream of mushroom soup, which can have as little as 3-6 grams of carbs per serving.

























