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Cozy Southwest Breakfast Casserole with Green Chiles

southwest breakfast casserole - featured image

A hearty and comforting breakfast casserole featuring fluffy eggs, melted cheese, and a subtle smoky warmth from green chiles. Perfect for busy mornings or cozy weekend brunches.

Ingredients

Scale
  • 6 large eggs (room temperature for fluffiness)
  • 1 cup whole milk (or almond milk for dairy-free)
  • 1 teaspoon salt (adjust to taste)
  • ½ teaspoon freshly ground black pepper
  • 1 cup cooked breakfast sausage, crumbled (or diced cooked bacon or sautéed mushrooms)
  • 1 cup shredded sharp cheddar cheese
  • 1 cup shredded Monterey Jack cheese
  • 1 (4-ounce) can diced green chiles (mild or hot)
  • 1 small onion, finely chopped (optional)
  • 1 small red bell pepper, diced
  • Chopped fresh cilantro (optional, for garnish)
  • Sour cream or salsa for serving

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish lightly with butter or non-stick spray.
  2. Heat a non-stick skillet over medium heat. Crumble and cook the sausage until browned and cooked through, about 6-8 minutes. Drain excess fat and set aside.
  3. In the same skillet, add chopped onion and red bell pepper. Cook for 4-5 minutes until softened and fragrant. Remove from heat.
  4. In a large mixing bowl, whisk together 6 large eggs and 1 cup whole milk until fully combined. Add salt and black pepper, whisking again.
  5. Spread cooked sausage evenly on the bottom of the baking dish. Add sautéed onions and peppers on top.
  6. Sprinkle shredded cheddar and Monterey Jack cheeses evenly over the meat and veggies. Scatter diced green chiles across the top.
  7. Carefully pour the egg and milk mixture over all the layers, letting it soak in evenly.
  8. Bake uncovered for 35-40 minutes until the casserole puffs up and is set in the center (a knife inserted should come out clean).
  9. Let the casserole cool for 5-10 minutes before serving to help it settle.

Notes

Use room temperature eggs for fluffier texture. Drain sausage well to avoid sogginess. Pour egg mixture gently over layers to keep texture intact. Watch oven temperature to prevent drying out. Let casserole rest before serving for easier slicing. Substitute sausage with black beans or mushrooms for vegetarian version. Use plant-based cheese and milk for dairy-free adaptation.

Nutrition

Keywords: breakfast casserole, southwest breakfast, green chiles, easy breakfast, brunch recipe, cheesy casserole, sausage casserole, gluten-free breakfast