Summer Garden Casserole

Prep: 15 min Cook: 60 min Serves: 4 Cuisine: American

A vibrant summer vegetable casserole with fresh squash, zucchini, tomatoes, and mushrooms, enhanced with cheesy and crispy toppings—perfect for light, seasonal dinners or side dishes.

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Ingredients

  • 1 medium summer squash
  • 1 medium zucchini
  • 3 medium tomatoes
  • 2 medium onions
  • 1 cup mushrooms
  • 3 tablespoons chopped peppers
  • 1/4 cup bread crumbs
  • 1 cup shredded cheese
  • 2 tablespoons butter
  • Parmesan cheese

Instructions

  1. Wash and dry vegetables but do not peel.
  2. Cut all vegetables into chunks and place in a 2-quart casserole dish.
  3. Dot butter throughout the casserole.
  4. Sprinkle shredded cheese over the top of vegetables.
  5. Sprinkle bread crumbs on top of the cheese.
  6. Lightly sprinkle Parmesan cheese on top.
  7. Bake for 1 hour in a 350°F oven.

Tips & Substitutions

For a richer flavor, consider adding garlic or fresh herbs like basil or thyme to the vegetable mix. If you don't have summer squash or zucchini, you can substitute with other seasonal vegetables like bell peppers or eggplant. For a lighter option, try using reduced-fat cheese or skipping the breadcrumbs entirely.

Serving Suggestions

This Summer Garden Casserole pairs beautifully with a fresh green salad or crusty bread for a complete meal. It's also an excellent side dish for grilled meats or fish. For a heartier vegetarian meal, serve it alongside quinoa or brown rice, making it a versatile addition to any dinner table.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in a preheated oven at 350°F for about 20 minutes or until heated through. You can also microwave individual portions, but be cautious not to overcook, as this can make the vegetables soggy.

Nutrition & Diet Analysis (per serving)

Each serving of Summer Garden Casserole contains roughly 731 calories, with 13g protein, 24g carbohydrates, and 65g fat. It is an excellent source of vitamin C (80% of the Daily Value), vitamin D (66% of the Daily Value), and protein (26% of the Daily Value), and a good source of calcium and dietary fiber. Note that it is relatively high in sodium, at 533mg per serving (23% of the Daily Value).

731 kcal 37% DV
Protein Fat Carbs

Macronutrients

Protein 13.1g 26% DV
Total Fat 65.4g 84% DV
Carbs 24.3g 9% DV
Fiber 4.1g 15% DV
Sugar 6g 12% DV

Electrolytes

Sodium 533.2mg 23% DV
Potassium 578.4mg 12% DV
Cholesterol 188.4mg 63% DV

Vitamins & Minerals

Vitamin A 56.1mcg 6% DV
Vitamin C 72mg 80% DV
Vitamin D 13.1mcg 66% DV
Calcium 238.7mg 18% DV
Iron 2.1mg 11% DV
Contains Milk Wheat/Gluten

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 a day in advance. Assemble it without baking, cover it tightly with foil, and refrigerate. When ready to bake, allow it to sit at room temperature for about 30 minutes before placing it in the oven to ensure even cooking.

What types of cheese work best in this recipe?

While shredded cheese adds creaminess, you can use a variety of cheeses such as mozzarella, cheddar, or even feta for a tangy flavor. Mixing different cheeses can also enhance the dish's taste and texture, so feel free to experiment with your favorites.

Can I add protein to this casserole?

Absolutely! To make this dish more filling, you can add cooked ground turkey, chicken, or beans for a vegetarian protein option. Simply layer the protein with the vegetables before baking, ensuring it is evenly distributed for a balanced meal.

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).

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