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This Vegetable Casserole recipe is a perfect choice for those looking for an easy, family-friendly meal packed with flavor and nutrition. Featuring a combination of creamy sauce, vibrant vegetables, and cheesy goodness, this dish comes together in just one casserole dish. Ideal for busy weeknights, potlucks, or meal prep, this recipe incorporates staples like frozen broccoli, mixed vegetables, and rice. It’s a versatile option for vegetarians or anyone wanting to add a side dish with a crunchy Ritz cracker topping. Perfect for searches about easy casserole recipes, cheesy vegetable dishes, or quick family dinner ideas.

Ingredients

Base:
- 1 small yellow onion, finely diced
- 1 tablespoon butter
- 10.5 oz. condensed cream of mushroom soup
- ½ cup milk
- ½ cup sour cream
- 8 oz. shredded cheddar cheese, divided
Vegetables:
- 2 heaping cups frozen broccoli
- 3 cups frozen mixed vegetables
Binding:
- 2 large eggs, whisked
- 2 cups cooked rice (white long grain recommended)
Seasonings:
- ½ teaspoon garlic salt
- ½ teaspoon salt
- ½ teaspoon mustard powder
- ½ teaspoon Italian seasoning
- ¼ teaspoon pepper
Topping:
- 1 cup Ritz crackers, crushed (about ¾ sleeve)
- 2 tablespoons melted butter

Instructions

Prepare the Oven:
- Preheat the oven to 350°F. Lightly grease a 9 x 13-inch casserole dish and set aside.
Cook the Onions:
- In a large pot over medium heat, melt the butter and sauté the onions for about 5 minutes, or until softened.
Make the Base Sauce:
- Add the cream of mushroom soup, milk, sour cream, and seasonings. Stir until the mixture is smooth and well combined.
- Stir in 1 cup of shredded cheese and allow it to melt completely.
Incorporate Vegetables:
- Add the frozen broccoli and mixed vegetables to the pot. Stir to coat them evenly in the sauce. Allow the vegetables to heat through, then remove the pot from heat and let it cool slightly.
Mix in Eggs and Rice:
- Gently fold in the whisked eggs and cooked rice, ensuring everything is evenly distributed.
Assemble the Casserole:
- Transfer the mixture to the prepared casserole dish. Spread it out evenly and top with the remaining cheese.
Bake Covered:
- Cover the casserole with foil and bake for 20 minutes.
Prepare the Topping:
- While the casserole bakes, mix the crushed Ritz crackers with the melted butter in a small bowl.
Add the Topping and Finish Baking:
- Remove the casserole from the oven. Sprinkle the cracker topping evenly over the top.
- Return to the oven and bake uncovered for an additional 10 minutes, or until the topping is golden brown.
Serve:
- Remove from the oven, let it cool slightly, and serve warm.

Why You’ll Love This Recipe

Family-Friendly: A comforting dish loaded with cheesy vegetables and rice that kids and adults love.
Convenient: Made with simple, pantry-staple ingredients and frozen vegetables.
Versatile: Perfect as a main course or side dish for weeknight dinners, holidays, or potlucks.
Make-Ahead: Easy to prepare ahead of time and bake when ready.

Tips

Use Fresh Vegetables: Swap frozen vegetables for fresh if desired; steam them lightly before adding to the casserole.
Cook Rice Ahead: Use day-old rice for the best texture, as it absorbs flavors more evenly.
Avoid Overmixing: Stir gently to prevent the casserole from becoming mushy.

Variations and Substitutions

Add Protein: Mix in cooked chicken, turkey, or ham for a heartier dish.
Dairy-Free: Use dairy-free alternatives for milk, sour cream, and cheese.
Low-Carb: Substitute cauliflower rice for regular rice.
Spice it Up: Add a pinch of red pepper flakes or cayenne for a slight kick.

FAQs

Can I make this ahead of time?

Yes, assemble the casserole up to the point of baking, then cover and refrigerate for up to 24 hours. Bake as directed when ready.

Can I freeze this casserole?

Absolutely! Prepare the casserole, skip the topping, and freeze. Add the topping just before baking. Thaw in the refrigerator overnight and bake as directed.

What other cheeses can I use?

Monterey Jack, mozzarella, or a combination of your favorite shredded cheeses will work well.

Serving and Suggestions

Pair this casserole with a fresh green salad or crusty bread for a complete meal.
Serve as a side dish alongside roasted chicken, pork chops, or steak.
Ideal for holiday dinners, potlucks, or meal prep. It reheats beautifully for leftovers!