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Easy Cheesy Breakfast Potato Casserole with Sausage and Peppers

easy cheesy breakfast potato casserole - featured image

A hearty and comforting breakfast casserole combining crispy potatoes, spicy sausage, sweet bell peppers, and melted sharp cheddar cheese. Perfect for busy mornings or weekend brunches.

Ingredients

Scale
  • 4 cups diced Yukon Gold potatoes (about 4 medium-sized)
  • 1 pound Italian sausage, casing removed (mild or spicy)
  • 1 cup diced mixed bell peppers (red and green)
  • ½ cup finely chopped yellow onion
  • 2 cups shredded sharp cheddar cheese
  • 6 large eggs, beaten
  • 1 cup whole milk
  • 2 cloves garlic, minced
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon smoked paprika
  • ½ teaspoon dried thyme
  • 1 tablespoon olive oil

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. Wash, peel (optional), and dice Yukon Gold potatoes into roughly ½-inch cubes.
  3. Heat olive oil in a large skillet over medium heat. Add sausage, breaking it up with a wooden spoon. Cook for 6-8 minutes until browned and cooked through.
  4. Add diced onions and bell peppers to the skillet with sausage. Cook for 4-5 minutes until veggies soften and onions turn translucent. Stir in minced garlic during the last minute.
  5. In a medium bowl, whisk eggs with whole milk. Add salt, black pepper, smoked paprika, and dried thyme. Whisk until fully blended.
  6. In a large bowl, combine diced potatoes, sausage and pepper mixture, and half of the shredded cheddar cheese. Pour the egg mixture over and gently fold until evenly coated.
  7. Lightly grease a 9×13-inch baking dish. Spread the mixture evenly in the dish. Sprinkle remaining cheddar cheese over the top.
  8. Bake uncovered for 45-50 minutes until set in the middle and edges are golden and bubbling. Tent with foil if top browns too quickly.
  9. Remove from oven and let rest for 5-10 minutes before serving.

Notes

Use room temperature eggs and milk for a smoother custard base. Browning the sausage adds depth of flavor. Cut potatoes evenly and avoid overcrowding the dish to get crispy edges. You can assemble the casserole the night before and refrigerate; add 5-10 minutes to baking time if baking cold. Adjust seasoning to taste, especially salt and pepper.

Nutrition

Keywords: breakfast casserole, cheesy breakfast, sausage casserole, potato casserole, brunch recipe, easy breakfast, weekend breakfast