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sausage hashbrown casserole

Ultimate Sausage Hashbrown Breakfast Casserole

A hearty, gluten-free breakfast casserole loaded with savory sausage, fluffy eggs, melty cheddar, tender hashbrowns, and colorful veggies. Perfect for holidays, brunch gatherings, or meal prep—and fully make-ahead friendly.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 8 servings
Course: Breakfast, Brunch
Cuisine: American
Calories: 480

Ingredients
  

  • 1 lb pork breakfast sausage (450 g)
  • 3/4 cup diced red bell pepper
  • 3/4 cup diced yellow or white onion
  • 2 cups frozen shredded hashbrowns (approx. 10 oz)
  • 1-2 cups chopped fresh spinach
  • 10 large eggs
  • 1/2 cup whole milk (or unsweetened dairy-free milk)
  • 1 cup shredded sharp cheddar cheese, divided
  • 1 tsp kosher salt
  • 1/2 tsp black pepper

Equipment

  • 9x13-inch baking dish
  • Large Skillet
  • Large mixing bowl
  • Whisk
  • wooden spoon or spatula
  • Measuring cups and spoons

Method
 

  1. Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish with cooking spray or butter.
  2. Heat a large skillet over medium-high. Add sausage, onion, and red pepper. Cook 8–10 minutes until sausage is browned and vegetables are soft. Drain excess fat.
  3. Add spinach to the skillet and cook 1–2 minutes until wilted. Remove from heat.
  4. In a large bowl, whisk eggs, milk, salt, and pepper. Stir in frozen hashbrowns and 1/2 cup of cheddar cheese.
  5. Add the cooked sausage and veggie mixture to the bowl and stir until everything is evenly combined.
  6. Pour mixture into the prepared baking dish. Sprinkle remaining 1/2 cup cheese on top.
  7. Bake uncovered for 25–30 minutes until center is set and edges are golden.
  8. Let cool for 5 minutes before slicing and serving.

Notes

No need to thaw the hashbrowns; they bake perfectly from frozen. Drain sausage well to avoid excess grease. For dairy-free, use coconut or almond milk and a dairy-free cheese. For spicy heat, use hot sausage or add green chilies or hot sauce. Can be assembled the night before and baked in the morning.

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