Go Back
Print Recipe
0 from 0 votes

Broccoli and Cauliflower Casserole


  • 4 cups fresh broccoli florets cut into bite-size pieces
  • 4 cups fresh cauliflower florets cut into bite-size pieces
  • 8 tbsp unsalted butter divided
  • 1/4 cup flour
  • 1 cup milk
  • 1/2 cup half-n-half
  • 1/2 cup reduced fat sour cream
  • 1 small onion diced
  • 2 cloves of garlic minced
  • 1 egg lightly beaten
  • 1 cup shredded extra sharp cheddar cheese divided
  • 1 cup shredded Italian blend cheese divided
  • 2 sleeves of Ritz crackers crushed, divided
  • salt and pepper to taste


  • Preheat oven to 350 degrees. Lightly spray a 13x9 baking dish with cooking spray.
  • Place crackers into a gallon size resealable bag and crush with fingertips till they resemble small crumbs, set aside.
  • Bring a large pot of water to a boil. Add broccoli and cauliflower and boil for 3 minutes.
  • Drain into a colander, immediately rinse with cold water. Let drain for a minute or two and then place vegetables into a large bowl.
  • Melt 6 tablespoons of the butter in the same pot you cooked the broccoli and cauliflower in over medium heat.
  • Add the onions and cook until soft, about 3 minutes, stirring occasionally. Add the garlic and cooked one more minute.
  • Add the flour to the onions and garlic and whisk until smooth coooking for about 30 seconds.
  • Whisk in the milk and half-n-half and simmer till thickened, whisking constantly.
  • Remove from heat - stir in sour cream and add salt and pepper to taste.
  • Pour sauce into the bowl with the broccoli and cauliflower and mix together.
  • In a small bowl, combine the beaten egg, 1/2 cup of the shredded extra sharp cheddar cheese, 1/2 cup of the Italian blend cheese, and 1/2 cup of the crackers crumbs. Add cheese mixture to broccoli and cauliflower and combine well.
  • Transfer casserole to the prepared baking dish.
  • Melt the remaining 2 tablespoon of butter and pour into the bag of remaining cracker crumbs - mix well. Add in the remaining 1/2 cup of the shredded extra sharp cheddar cheese, 1/2 cup of the Italian blend cheese and mix into cracker crumbs. Sprinkle breadcrumb topping over the casserole.
  • Bake for 45 minutes, until filling is hot and bubbly. Check after about 30 minutes and cover with foil if topping is browning too quickly. Let stand a few minutes before serving.
  • Inspired by Kristine's Kitchen