
Mushrooms and onions are both low-calorie foods that provide the body with a variety of nutrients. Onions, for example, are rich in antioxidants, vitamins, and minerals, while mushrooms are a good source of protein, fiber, and vitamins. In this article, we will explore the calorie content of these two foods and discuss their nutritional benefits in more detail. We will also examine the different types of mushrooms and onions available and how their calorie content and nutritional profiles may vary.
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What You'll Learn

A serving of sautéed mushrooms and onions is 90 calories
A serving of sautéed mushrooms and onions is approximately 90 calories. This calorie count may vary depending on the specific ingredients and cooking methods used. For example, the type and quantity of cooking oil can significantly influence the dish's overall calorie content.
When preparing sautéed mushrooms and onions, the choice of cooking oil is crucial. Using olive oil, for instance, contributes about 30 calories per serving to the dish, assuming you use a modest amount (around 0.25 tablespoons). Other oils, such as avocado oil or canola oil, might have slightly different calorie contents, so it's essential to consider the specific oil used in the preparation.
The types of mushrooms and onions used can also impact the calorie count. Common white or brown mushrooms tend to be more calorically dense than other varieties, such as shiitake or oyster mushrooms. Similarly, the size and variety of onion can make a difference; larger onions or those with higher sugar content may contribute more calories to the dish.
In a typical serving of sautéed mushrooms and onions, the mushrooms themselves contribute about 13 calories, while the onions add around 7 calories. This breakdown can vary depending on the relative proportions of mushrooms and onions in the dish, as well as their preparation methods. For instance, cooking the onions at high heat for an extended period may result in caramelization, which can slightly increase their calorie content.
It's worth noting that the macronutrient composition of this dish is predominantly carbohydrates and fats. In a serving, approximately 44% of the calories come from carbohydrates, while 56% come from fats, with negligible protein content. This makes sautéed mushrooms and onions a good option for those seeking low-protein side dishes or for those on specific diets that emphasize fat and carbohydrate intake.
Overall, sautéed mushrooms and onions offer a flavorful and relatively low-calorie option, especially when compared to other side dishes or toppings. With a serving contributing about 90 calories to one's daily intake, it can be a nutritious and tasty addition to various meals, providing not only flavor but also essential nutrients and dietary fiber.
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Mushrooms and onions are a nice low-carb mix
A serving of mushrooms and onions contains approximately 58 calories, making it a relatively low-calorie option as well. The calorie contribution of each ingredient varies, with onions contributing 7 calories per serving and mushrooms contributing 13 calories per serving. When sautéed, the calorie count increases to 90 per serving, due to the addition of olive oil, which contributes 30 calories.
The macronutrient breakdown of this mix is favourable for those seeking a balanced diet. The combination provides some fat and carbohydrates, with a small amount of protein. Specifically, the fat content is around 4.38 grams, with 1.56 grams of saturated fat, and 3.88 grams of total carbohydrates. The protein content, however, is minimal at 1.96 grams per serving.
In addition to being low in calories and carbohydrates, mushrooms and onions offer several essential vitamins and minerals. These include vitamin D, calcium, iron, potassium, vitamin A, and vitamin C. This makes the combination not only tasty but also nutritious, contributing to a well-rounded and healthy diet.
Overall, mushrooms and onions are a delicious and healthy option for those seeking to reduce their carbohydrate intake without compromising on flavour and nutrition. This versatile mix can enhance the taste of various dishes and provide a good balance of nutrients, making it a great choice for conscious eaters.
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Mushrooms contain 13 calories per serving
Mushrooms are a great, healthy option for those watching their calorie intake. A serving of sliced mushrooms contains only 13 calories. In fact, mushrooms are so low in calories that they are often considered a "free food", meaning you can eat a large quantity without significantly increasing your calorie consumption. This makes them an excellent choice for those trying to lose weight or maintain a calorie deficit.
When paired with onions, which have just 7 calories per serving in their raw state, mushrooms make a nutritious and flavorful combination. Together, they create a nice low-carb mix that can enhance a variety of dishes. For example, a serving of sauteed mushrooms and onions contains only 30 calories in total.
The calorie content of mushrooms and onions can vary slightly depending on the specific type and preparation method. For instance, a serving of sauteed mushrooms and onions from LongHorn Steakhouse contains 90 calories, with a macronutrient breakdown of 44% carbs, 56% fat, and 0% protein. However, this is still a relatively low-calorie option, especially when compared to other steakhouse sides.
Overall, mushrooms and onions are a nutritious and flavorful combination that can be enjoyed in a variety of ways while still maintaining a healthy calorie intake. Whether they are sauteed, added to a steak dish, or incorporated into a salad, mushrooms and onions offer a tasty and satisfying option for health-conscious individuals.
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Onions contain 7 calories per serving
Onions are a staple in almost every household and are used in a variety of dishes. They are known for making us cry while we chop them, but did you know that a serving of onions contains only 7 calories? That's right! Onions are not only delicious and versatile but also a low-calorie food option.
When paired with mushrooms, they make a great side dish or addition to any meal. Mushrooms themselves have very few calories, with a serving of sliced mushrooms containing only 13 calories. Together, mushrooms and onions make a healthy and tasty combination.
While the specific calorie count may vary slightly depending on the type of onion and mushroom used, as well as the method of preparation, mushrooms and onions are generally considered low-calorie foods. For example, a serving of sauteed mushrooms and onions contains only 58 calories on average.
So, if you're watching your calorie intake, onions and mushrooms can be a great way to add flavor and nutrition to your meals without adding a significant amount of calories. You can saute them, grill them, or even eat them raw to enjoy their unique taste and texture.
In conclusion, onions containing 7 calories per serving showcases their versatility and makes them a popular choice for health-conscious individuals and chefs alike. Whether used as a base for soups and stews or as a tasty topping, onions and mushrooms are a delicious and nutritious option.
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A larger serving of mushrooms and onions contains 58 calories
The calorie contribution of each ingredient in a serving of mushrooms and onions can be broken down as follows: mushrooms provide 13 calories, while onions contribute 7 calories. The cooking method can also affect the calorie count, as sauteeing in olive oil adds 30 calories to the dish.
It's important to note that the percentage of daily values (DVs) provided by a serving of mushrooms and onions can vary. The DV is based on a 2,000-calorie diet, but individual calorie needs may differ. As a result, the percentage of DVs contributed by a 58-calorie serving of mushrooms and onions may be higher or lower for different people.
The nutritional content of a 58-calorie serving of mushrooms and onions extends beyond just calories. This serving size provides 4.38 grams of total fat, including 1.56 grams of saturated fat. It also offers 1.96 grams of protein and 3.88 grams of total carbohydrates, including 0.8 grams of dietary fiber and 1.79 grams of sugars.
In terms of micronutrients, a 58-calorie serving of mushrooms and onions provides 5% of the daily value of vitamin D and 2% of the daily value of calcium, iron, vitamin A, and vitamin C. Additionally, it contains small amounts of cholesterol (5 mg) and sodium (101 mg). Overall, a larger serving of mushrooms and onions at 58 calories can be a nutritious and flavourful addition to a meal while still maintaining a relatively low-calorie count.
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Frequently asked questions
One serving of mushrooms and onions has 58 calories on average.
One serving of sautéed mushrooms and onions has 90 calories. This includes 30 calories of olive oil, 13 calories of sliced mushrooms, and 7 calories of onions.
Without the 30 calories of olive oil, a serving of sautéed mushrooms and onions is approximately 60 calories.

























