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 Vegetables and Mixed Rice Casserole?

You need 13 ingredients. The key ingredients include: cooking spray, 1 ½ cups sliced mushrooms, 1 cup sliced zucchini, ½ cup chopped onion, and more.

Is Vegetables and Mixed Rice Casserole suitable as vegetarian?

Yes, Vegetables and Mixed Rice Casserole falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Vegetables and Mixed Rice Casserole?

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

Vegetables and Mixed Rice Casserole Recipe

Name: Vegetables and Mixed Rice Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: cooking spray; 1 ½ cups sliced mushrooms; 1 cup sliced zucchini; ½ cup chopped onion; ½ cup chopped green bell pepper; ½ cup chopped red bell pepper; 1 teaspoon dried thyme; 1 (6 ounce) packet brown and wild rice mix (cooked with seasoning packet); 1 (15 ounce) can pinto beans, drained and rinsed; 1 cup corn; 1 cup sour cream; 1 cup shredded cheddar cheese; salt and pepper

Try this homemade Vegetables and Mixed Rice Casserole recipe the whole family will love. Made with cooking spray, mushrooms, zucchini and onion. Easy st…

This Vegetables and Mixed Rice Casserole relies on simple, everyday ingredients such as cooking spray, sliced mushrooms, sliced zucchini and chopped onion. It comes together quickly and makes 4 servings, at about 465 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

Coconut cream is a reliable plant-based alternative to dairy cream.

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

My Personal Notes

Saved locally in your browser — visible only to you.

Vegetables and Mixed Rice Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions