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How many calories are in 100 g of cooked zucchini?

4 min read

According to USDA data, 100 grams of raw zucchini contains just 17 calories, but cooking methods can slightly alter this value. A common question for anyone watching their intake is: how many calories are in 100 g of cooked zucchini? The answer largely depends on the cooking preparation, with minimal calorie increases for methods like boiling or steaming.

Quick Summary

The exact calorie count for 100g of cooked zucchini varies based on the method, but typically remains very low. Key factors include added fats and preparations like frying versus steaming. The article details calorie specifics, cooking impact on nutrition, and tips for keeping this vegetable light.

Key Points

  • Calories in 100g cooked zucchini: Boiled or steamed zucchini contains approximately 16-17 calories per 100g.

  • Cooking method impact: The calorie count for cooked zucchini depends on the added ingredients; boiling adds none, while oil or butter will increase the final count.

  • Low-calorie vegetable: Zucchini's high water content and low caloric density make it an excellent food for weight management and healthy eating.

  • Roasting calories: Roasting 100g of zucchini with a small amount of oil typically results in around 23-24 calories.

  • Skin-on benefits: For maximum nutritional value and fiber, it is best to cook and eat zucchini with the skin on.

  • Versatile cooking: Zucchini can be prepared in various low-calorie ways, including steaming, grilling, air-frying, and spiralizing.

In This Article

Calorie Count for 100g of Cooked Zucchini

For those mindful of their diet, zucchini is an excellent choice due to its high water and low-calorie content. While 100 grams of raw zucchini is very low in calories, around 17 kcal, the cooking method is the key factor determining the final count. Simple preparations, such as boiling, have a minimal effect on the caloric value, whereas adding oil or other ingredients can increase it more significantly.

Boiled zucchini, drained, typically contains around 16 calories per 100g. Roasting or baking, which might use a small amount of oil, can increase the calories to approximately 23 kcal per 100g, while sautéing with more fat can push this number higher. The key takeaway is that zucchini remains a remarkably low-calorie food, regardless of the preparation method, as long as excessive fats or sauces are avoided.

Nutritional Comparison: Raw vs. Cooked Zucchini

Cooking affects more than just calories; it can also impact the availability of certain nutrients. For instance, cooking can make some antioxidants, like carotenoids, more readily available for the body to absorb. However, water-soluble vitamins, such as Vitamin C, can be reduced by boiling, as they leach into the cooking water.

To make the most of zucchini's nutritional benefits, incorporating it into your diet in various forms is a smart strategy. Enjoying it raw in salads preserves delicate vitamins, while cooking methods can make other compounds more bioavailable and palatable.

Nutritional Value per 100g (Approximate) Nutrient Raw Zucchini Boiled Zucchini
Calories ~17 kcal ~16 kcal
Protein 1.2 g 1.1 g
Carbohydrates 3.1 g 2.0 g
Fiber 1 g 1.3 g
Fat 0.3 g 0.4 g
Water 94.8 g 93.8 g

Cooking Methods and Their Caloric Impact

  • Boiling/Steaming: These methods add virtually no extra calories, making them the best option for calorie-conscious diets. To prevent sogginess and vitamin loss, steam it briefly until tender-crisp.
  • Roasting/Baking: Roasting with a minimal amount of olive oil (or no oil) enhances flavor and caramelization without a significant calorie increase. The key is moderation with added fats.
  • Sautéing: Using a small amount of olive oil is the definition of sautéing and is acceptable for low-calorie dishes. However, deep-frying or using a lot of butter will substantially increase the calorie count.
  • Air-Frying: A healthy way to get a crispy texture similar to frying but using very little to no oil. It is a fantastic method for maintaining a low-calorie profile.
  • Spiralizing: Turning zucchini into 'zoodles' is a popular, low-carb pasta alternative. Sautéing these noodles with light sauce keeps the dish very low in calories.

Practical Tips for Low-Calorie Zucchini Dishes

Here are some simple ways to enjoy zucchini while keeping the calorie count low:

  • Add to Soups: Diced zucchini can be added to broths or vegetable soups, increasing volume and nutrients without adding many calories.
  • Grill It: Grill thick slices or wedges of zucchini with a light brush of olive oil for a simple, flavorful side dish.
  • Incorporate into Bakes: Shredded zucchini adds moisture and nutrients to baked goods like savory muffins or bread. It can also be used in vegetable-packed casseroles.
  • Stuff and Bake: Hollow out zucchini and stuff it with a lean protein mixture (like turkey or lentils) and bake.
  • Mix into Pasta: Substitute some or all of the regular pasta with zucchini noodles. This is an effective way to cut carbohydrates and calories while still enjoying a satisfying pasta dish.

Conclusion

Understanding how many calories are in 100 g of cooked zucchini is crucial for effective calorie counting. In short, for methods like boiling or steaming, the calorie count remains very low, approximately 16-20 calories per 100 grams. The primary factor that increases the caloric value is the addition of oils, butter, or heavy sauces during cooking. As a nutrient-rich and versatile vegetable, zucchini is a smart choice for anyone looking to manage their weight or increase their vegetable intake, and with mindful cooking, it can remain an extremely low-calorie food.


Frequently Asked Questions

Question: Is cooked zucchini lower in calories than raw zucchini? Answer: No, cooking zucchini does not significantly decrease its calorie count. A small fluctuation can occur based on water content, but raw and boiled or steamed zucchini have a very similar low-calorie profile.

Question: Can cooked zucchini help with weight loss? Answer: Yes, because it is low in calories and high in water and fiber, cooked zucchini can help with weight loss by promoting satiety and reducing overall calorie intake when used to replace higher-calorie ingredients.

Question: Does adding oil to zucchini increase the calorie count? Answer: Yes, adding oil or any other fat source during cooking will increase the calorie count. For the lowest calorie option, steam or boil the zucchini.

Question: Is grilled zucchini still low in calories? Answer: Yes, grilling zucchini is a low-calorie cooking method. A light brush of oil for grilling adds a minimal amount of calories, keeping the dish healthy.

Question: Does the skin of zucchini contain more nutrients? Answer: Yes, the skin of zucchini is packed with nutrients, including antioxidants and fiber. It's recommended to cook zucchini with the skin on for maximum nutritional benefits.

Question: How does roasting zucchini change its calorie count? Answer: When roasted with a typical amount of oil, 100g of zucchini has about 23-24 calories. This is a very modest increase compared to raw or boiled zucchini.

Question: What is the best low-calorie cooking method for zucchini? Answer: The best low-calorie cooking methods are steaming and boiling, as they don't require adding any fat. For more flavor, air-frying or grilling with minimal oil are also excellent options.

Frequently Asked Questions

No, cooking zucchini does not significantly decrease its calorie count. A small fluctuation can occur based on water content, but raw and boiled or steamed zucchini have a very similar low-calorie profile.

Yes, because it is low in calories and high in water and fiber, cooked zucchini can help with weight loss by promoting satiety and reducing overall calorie intake when used to replace higher-calorie ingredients.

Yes, adding oil or any other fat source during cooking will increase the calorie count. For the lowest calorie option, steam or boil the zucchini.

Yes, grilling zucchini is a low-calorie cooking method. A light brush of oil for grilling adds a minimal amount of calories, keeping the dish healthy.

Yes, the skin of zucchini is packed with nutrients, including antioxidants and fiber. It's recommended to cook zucchini with the skin on for maximum nutritional benefits.

When roasted with a typical amount of oil, 100g of zucchini has about 23-24 calories. This is a very modest increase compared to raw or boiled zucchini.

The best low-calorie cooking methods are steaming and boiling, as they don't require adding any fat. For more flavor, air-frying or grilling with minimal oil are also excellent options.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.