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Broccoli Cauliflower Casserole from above with a serving spoon
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5 from 2 votes

Broccoli Cauliflower Casserole

Broccoli Cauliflower Casserole is creamy, cheesy and topped with golden buttery crumbs for a cozy, comforting side dish.
Prep Time5 minutes
Cook Time55 minutes
Total Time1 hour
Course: 60 Minutes or Less, Sides
Cuisine: American
Keyword: 60-Minutes or Less, Broccoli, Casseroles, Cauliflower, Chicken Breast, Sides, Simple, Vegetables, Vegetarian
Servings: 12
Calories: 266kcal
Author: Eva Filer

Equipment

  • 9x13 casserole dish
  • Mixing Bowls
  • Small Saucepan

Ingredients

  • 4 cups cauliflower chopped
  • 4 cups broccoli chopped (1 head)
  • 1-2 cups cheddar cheese shredded
  • 1 10- ounce can cream of mushroom soup
  • ½ cup mayonnaise
  • 2 large eggs
  • 1 medium yellow onion chopped
  • 5 ounce flavored croutons crushed
  • 1 stick butter unsalted and melted

Instructions

  • Preheat oven to 350F and grease a 9x13 casserole dish.
  • In a medium mixing bowl add cheddar cheese, soup, mayonnaise and eggs; beat well.
  • In a large bowl add broccoli and cauliflower, then pour egg mixture and evenly combine.
  • Transfer to the prepared pan then make topping by add crushed croutons and melted butter. Spread evenly over the vegetables and bake until cauliflower is cooked through, about 45-60 minutes (if the top if getting too golden you can cover lightly with foil).
  • Cool lightly then eat warm.

Notes

  • Even Florets: Cut broccoli and cauliflower into similar-sized pieces so cooking times stay consistent.
  • Don’t Skip the Rest: Let the casserole cool slightly before serving so it sets properly.
  • Watch the Top: If the buttery crumbs get too golden, tent lightly with foil.
  • Flavor Boost: A pinch of black pepper or a small sprinkle of extra sharp cheddar on top for the last 10 minutes of baking.
  • Quick Cook Tip: Make the cook time even faster and boil or steam the veggies for 5 minutes prior to assembling.
  • Refrigerator: Store leftovers in an airtight container for 3-4 days.
  • Freezer: Freeze tightly wrapped for up to 3 months and thaw overnight before rewarming.
  • Reheating: This dish is even better the next day; we often make it in advance; warm in the oven at 350F until heated through.

Nutrition

Calories: 266kcal | Carbohydrates: 15g | Protein: 7g | Fat: 20g | Saturated Fat: 9g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 5g | Trans Fat: 0.3g | Cholesterol: 66mg | Sodium: 463mg | Potassium: 273mg | Fiber: 2g | Sugar: 2g | Vitamin A: 564IU | Vitamin C: 43mg | Calcium: 107mg | Iron: 1mg
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