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Healthy Breakfast Casserole

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A vibrant, protein-packed Healthy Breakfast Casserole loaded with fresh bell peppers, spinach, eggs, and tangy feta cheese. This nutritious, make-ahead casserole is perfect for feeding a crowd or prepping quick weekday breakfasts.

Ingredients

1 tablespoon avocado oil

3 garlic cloves, minced

1 medium red bell pepper, chopped (approx. 1 cup)

1 medium orange bell pepper, chopped (approx. 1 cup)

1 cup green onion, thinly chopped

5 ounces baby spinach (approx. 1 bag)

12 large eggs

4 tablespoons whole milk (or full-fat yogurt or heavy cream)

1 teaspoon salt

Black pepper, to taste

5 ounces feta cheese (1 small tub)

Hot sauce, to taste

Instructions

  • Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish with avocado oil.

  • Heat avocado oil in a skillet over medium heat. Sauté garlic for about 1 minute until fragrant.

  • Add red and orange bell peppers; cook 4-5 minutes until softened.

  • Stir in green onions and spinach; cook until spinach wilts, 2-3 minutes. Remove from heat.

  • In a large bowl, whisk eggs, milk, salt, and black pepper.

  • Stir cooked veggies and crumbled feta into egg mixture.

  • Pour into prepared baking dish and spread evenly.

  • Bake 30-35 minutes until set and golden on top; toothpick should come out clean.

  • Let cool a few minutes, slice, and serve with hot sauce if desired.

Notes

Substitute feta with goat cheese or shredded cheddar.

Swap spinach for kale or Swiss chard.

Include tomatoes or mushrooms for more veggies.

Use egg whites or mix with whole eggs for lighter option.

Use dairy-free milk and cheese to make dairy-free.