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A serving of breakfast croissant casserole on a plate.
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3.67 from 9 votes

Breakfast Croissant Casserole

This easy Breakfast Croissant Casserole is a little bit sweet and a little bit savory. With chopped ham, spinach, eggs, and fluffy baked croissants, it is the perfect breakfast for any time of year.
Prep Time10 minutes
Cook Time50 minutes
Total Time1 hour
Course: Breakfast
Cuisine: American
Keyword: breakfast casserole, breakfast croissant casserole
Servings: 10 servings
Calories: 497kcal

Equipment

  • 9x13 baking dish
  • Mixing bowls

Ingredients

  • 12 large eggs
  • 1 1/2 cups half-and-half
  • 1 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 6 large croissants, baked
  • 1 pound chopped ham
  • 1 cup chopped onions
  • 2 cups baby spinach
  • 2 cups shredded cheddar cheese

Instructions

  • Preheat your oven to 375ºF and grease a 9x13 baking dish.
  • In a large bowl, whisk together the eggs, half-and-half, salt and pepper.
    12 large eggs, 1 1/2 cups half-and-half, 1 teaspoon salt, 1/4 teaspoon ground black pepper
  • Rip up the croissants by hand, adding them to the egg mix bowl as you go. Try to rip them in pieces about 1-2 inches in size.
    6 large croissants, baked
  • Stir in the chopped ham, onions, spinach and 1 cup of the shredded cheddar cheese.
    1 pound chopped ham, 1 cup chopped onions, 2 cups baby spinach, 2 cups shredded cheddar cheese
  • Pour the mixture into the prepared casserole dish and sprinkle the top of the casserole with the remaining cheese.
  • Bake for 50 minutes. The casserole should be completely set in the center and not jiggle when touched. The top will be golden brown and all the cheese will be melted.
  • Slice and serve the casserole while warm.

Notes

  • Replace the pound of chopped ham with one pound of cooked bacon or breakfast sausage. 
  • Feta cheese and Monterey jack are both delicious in place of shredded cheddar. If using feta, mix all of the cheese into the casserole rather than sprinkling some on top. 
  • Cut this recipe in half and bake in an 8x8 baking dish for a smaller breakfast casserole. 
  • One can of Pillsbury refrigerated croissant dough will make the perfect amount of croissants for this recipe.

Nutrition

Serving: 1serving | Calories: 497kcal | Carbohydrates: 23g | Protein: 26g | Fat: 33g | Saturated Fat: 16g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 11g | Trans Fat: 0.02g | Cholesterol: 287mg | Sodium: 1176mg | Potassium: 373mg | Fiber: 1g | Sugar: 7g | Vitamin A: 1502IU | Vitamin C: 3mg | Calcium: 256mg | Iron: 2mg