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4.44 from 23 votes

Grandma's Cheesy Broccoli Souffle Casserole

A cheesy vegetable casserole that pairs perfectly with any main meat for a comforting meal, fit for a crowd.
Prep Time10 mins
Cook Time45 mins
Total Time55 mins
Course: Side Dish
Cuisine: American
Servings: 8
Calories: 202kcal


  • 2 10 oz pkgs frozen broccoli, thawed, drained, & chopped OR 20 oz fresh broccoli, steamed, and chopped
  • 1 medium onion, diced
  • 1 10 3/4 oz can cream of broccoli or cream of mushroom soup
  • 1 cup shredded sharp cheddar cheese, divided
  • 1/4 cup milk
  • 1/4 cup mayonnaise
  • 2 eggs beaten
  • pinch crushed red pepper flakes
  • smoked paprika


  • Cook the broccoli, drain thoroughly, and spoon into a lightly greased, medium-large sized baking dish. Set aside.
  • In a large mixing bowl, stir together the onion, soup, 1/2 cup of cheese, milk, mayo, eggs, and red pepper flakes until evenly combined.
  • Spoon the mixture evenly out over the broccoli. Using the back of the spoon, spread out as necessary. 
  • Sprinkle the remaining 1/2 cup of cheddar evenly out over top the casserole. Sprinkle with smoked paprika.
  • Bake the casserole at 350 degrees for 45 minutes. Let rest 5-8 minutes before serving.


Calories: 202kcal | Carbohydrates: 2g | Protein: 12g | Fat: 16g | Saturated Fat: 6g | Cholesterol: 245mg | Sodium: 223mg | Potassium: 128mg | Fiber: 1g | Sugar: 1g | Vitamin A: 482IU | Vitamin C: 1mg | Calcium: 148mg | Iron: 1mg