How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Vegetable Casserole With Zucchini, Mushroom & Tomatoes?

You need 12 ingredients. The key ingredients include: 1 cup instant brown rice, uncooked, 2 medium zucchini, thinly sliced, 1 cup mushroom, de-stemmed and sliced, 1/2 medium yellow onion, thinly sliced, and more.

Is Vegetable Casserole With Zucchini, Mushroom & Tomatoes suitable as vegetarian?

Yes, Vegetable Casserole With Zucchini, Mushroom & Tomatoes falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Vegetable Casserole With Zucchini, Mushroom & Tomatoes?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Vegetable Casserole With Zucchini, Mushroom & Tomat

Name: Vegetable Casserole With Zucchini, Mushroom & Tomatoes
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 cup instant brown rice, uncooked; 2 medium zucchini, thinly sliced; 1 cup mushroom, de-stemmed and sliced; 1/2 medium yellow onion, thinly sliced; 2 medium tomatoes, thinly sliced; 1/2 cup fat-free cottage cheese; 1/2 cup low-moisture part-skim mozzarella cheese, shredded; 1 cup tomato sauce; 1 teaspoon garlic powder; 1 teaspoon italian seasoning; 1/4 teaspoon low sodium salt; 1/4 teaspoon ground black pepper

Try this homemade Vegetable Casserole With Zucchini, Mushroom & Tomatoes recipe the whole family will love. Made with brown rice, zucchini, mushroom and…

This Vegetable Casserole With Zucchini, Mushroom & Tomatoes relies on simple, everyday ingredients such as instant brown rice, uncooked, fat-free cottage cheese, tomato sauce and garlic powder. It comes together quickly and makes 4 servings, at about 307 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Vegetarian

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

Vegetable Casserole With Zucchini, Mushroom & Tomatoes

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions