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Creamy Vegetable Casserole Bake — Cheesy, Bubbling & the Ultimate Cozy Weeknight Dinner! Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 105 reviews
  • Author: Olivia
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 6 servings 1x
  • Category: Main Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

This creamy vegetable casserole bake is a cheesy, comforting, and easy weeknight dinner. Loaded with broccoli, mixed vegetables, and a rich sauce made from cream of mushroom soup, sour cream, and cheddar cheese, it’s topped with a crispy Ritz cracker crust for the perfect cozy meal.


Ingredients

Scale

Main Ingredients

  • 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
  • 2 heaping cups frozen broccoli
  • 3 cups frozen mixed vegetables
  • 2 large eggs, whisked
  • 2 cups cooked white long grain rice
  • ½ teaspoon garlic salt
  • ½ teaspoon salt
  • ½ teaspoon mustard powder
  • ½ teaspoon Italian seasoning
  • ¼ teaspoon pepper
  • 1 cup Ritz crackers, crushed
  • 2 tablespoons melted butter

Instructions

  1. Preheat the oven: Set your oven to 350°F (175°C) to prepare for baking the casserole.
  2. Sauté onions: In a large pot over medium heat, melt 1 tablespoon of butter. Add the finely diced yellow onion and cook for about 5 minutes until softened and fragrant.
  3. Create the creamy base: Stir in the condensed cream of mushroom soup, milk, sour cream, garlic salt, salt, mustard powder, Italian seasoning, and pepper. Mix until fully combined.
  4. Add cheese and vegetables: Stir in 1 cup of shredded cheddar cheese until melted. Then add the frozen broccoli and mixed vegetables, allowing them to heat through. Remove from heat and let cool slightly.
  5. Combine eggs and rice: Stir the whisked eggs and cooked rice into the vegetable mixture until evenly mixed.
  6. Assemble the casserole: Transfer the mixture to a lightly greased 9 x 13 inch casserole dish and sprinkle the remaining shredded cheddar cheese evenly on top.
  7. Bake covered: Cover the casserole dish and bake in the preheated oven for 20 minutes to allow the flavors to meld and the cheese to melt.
  8. Prepare cracker topping: While the casserole bakes, combine the crushed Ritz crackers with 2 tablespoons of melted butter.
  9. Add topping and bake uncovered: Remove the casserole from the oven, sprinkle the buttery Ritz cracker topping evenly over it, and bake uncovered for an additional 10 minutes until the topping is golden and crispy.
  10. Serve: Remove from the oven and serve hot for a delicious, cheesy, and comforting meal.

Notes

  • Store leftovers in an airtight container in the refrigerator for up to 3 days.
  • For longer storage, portion the casserole into freezer-safe containers and freeze for up to one month.
  • Use any frozen vegetables you like or have on hand for versatility.
  • This casserole is perfect for meal prep and reheats well in the microwave or oven.