Zucchini Mushroom Casserole
A flavorful zucchini and mushroom casserole with tomatoes, herbs, and melted cheese, perfect for a comforting vegetarian meal or family dinner.
Ingredients
- 3 Tbsp. oil ⓘ
- 3 c. sliced zucchini ⓘ
- 1/2 lb. sliced mushrooms ⓘ
- 1/2 onion, sliced ⓘ
- 1/2 green pepper, sliced ⓘ
- parsley to taste ⓘ
- 2 cloves pressed garlic ⓘ
- 1 tsp. dried oregano ⓘ
- 1/2 tsp. basil ⓘ
- 1 (16 oz.) can stewed tomatoes ⓘ
- 1 (8 oz.) can tomato sauce ⓘ
- salt and pepper ⓘ
- 2 c. shredded Mozzarella cheese ⓘ
Instructions
- In a skillet, heat oil and sauté onion and green pepper until tender.
- Add zucchini and mushrooms along with parsley, garlic, oregano, and basil; cook until softened.
- Stir in stewed tomatoes, breaking them with a fork, and add tomato sauce.
- Season with salt and pepper, then simmer for 10 to 15 minutes.
- Sprinkle shredded mozzarella cheese on top and serve hot.
Tips & Substitutions
For added flavor, consider using fresh herbs instead of dried, or add a pinch of red pepper flakes for heat. If you want a creamier texture, mix in a little cream cheese or sour cream before adding the cheese. You can substitute yellow squash for zucchini or any mushrooms you prefer, such as shiitake or cremini.
Serving Suggestions
Serve this casserole with a side salad for a light meal or pair it with crusty bread for a heartier option. It also goes well with roasted vegetables or a scoop of rice to soak up the flavors. This dish is a fantastic option for vegetarian recipes and is a comforting, satisfying meal.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in an oven-safe dish and warm in a preheated oven at 350°F until heated through, about 20 minutes. You can also microwave individual portions for a quick meal.
Nutrition & Diet Analysis (per serving)
Each serving of Zucchini Mushroom Casserole contains roughly 826 calories, with 49g protein, 124g carbohydrates, and 30g fat. It is an excellent source of vitamin C (240% of the Daily Value), dietary fiber (237% of the Daily Value), and iron (222% of the Daily Value), and a good source of vitamin A. Note that it is relatively high in sodium, at 2560mg per serving (111% of the Daily Value).
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Frequently Asked Questions
Can I make this casserole ahead of time?
Yes, you can prepare the casserole up to the baking step and store it in the refrigerator for up to a day. Just cover it tightly with plastic wrap or foil. When ready to bake, allow it to come to room temperature before placing it in the oven.
What if I don't have mozzarella cheese?
If you don't have mozzarella, you can use any melty cheese such as cheddar, Monterey Jack, or even a combination of cheeses for a unique flavor. Just keep in mind that different cheeses will slightly change the taste of the dish.
Can I add other vegetables to this casserole?
Absolutely! Feel free to experiment by adding vegetables like bell peppers, spinach, or even corn. Just be sure to adjust the cooking time if you include vegetables that require longer cooking, ensuring everything is tender before serving.
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).