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Colorful Winter Vegetable & Sausage Breakfast Frittata in a skillet, packed with golden roasted butternut squash, sautéed mushrooms, sausage, spinach, and red bell peppers in a fluffy, baked egg mixture.

Winter Vegetable & Sausage Breakfast Frittata


  • Author: Emma Hart
  • Total Time: 50 minutes
  • Yield: 8 servings 1x

Description

Hearty frittata blending seasoned sausage, sautéed winter vegetables, and creamy eggs for a wholesome, satisfying meal any time of day.


Ingredients

Scale

½ lb ground turkey or chicken sausage (Italian or breakfast style)
1 medium onion, diced
8 oz mushrooms, sliced
1 sweet bell pepper, diced
1 Roma tomato, deseeded and diced (or ½ cup halved cherry tomatoes)
35 oz chopped spinach or kale
1 cup roasted butternut squash or 1 medium sweet potato, diced
12 eggs
½ cup milk (regular or almond milk)
1 tsp salt
1 tsp black pepper
Optional: 4 oz cheese (goat cheese, cheddar, or feta)


Instructions

  1. Preheat oven: Set oven to 400°F (200°C). Grease a 9×13‑inch baking dish.

  2. Cook sausage & vegetables: Heat a skillet over medium. Add sausage, onion, mushrooms, and bell pepper. Cook until sausage is browned and vegetables are softened.

  3. Add tomatoes & greens: Remove from heat, stir in tomatoes and spinach or kale. Cover for 1 minute to wilt.

  4. Prepare egg mixture: In a bowl, whisk eggs, milk, salt, and pepper until smooth.

  5. Assemble frittata: Spread the cooked sausage and vegetable mixture evenly in baking dish. Add roasted squash or sweet potatoes on top, then pour egg mixture over.

  6. Top with cheese: Sprinkle cheese evenly on top if using.

  7. Bake: Bake uncovered 25–30 minutes, until set and center no longer jiggles.

  8. Serve: Cool for 5 minutes before slicing. Serve warm with avocado, salsa, or herbs.

Notes

Cook vegetables thoroughly to remove excess moisture. Use roasted or pre-cooked squash to save time. Whisk eggs well for fluffy texture. Let rest to slice cleanly. Refrigerate leftovers; reheat gently.

  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Category: Breakfast, Brunch
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1/8 recipe
  • Calories: 290
  • Sugar: 4 g
  • Sodium: 620 mg
  • Fat: 18 g
  • Saturated Fat: 6 g
  • Unsaturated Fat: 10 g
  • Carbohydrates: 9 g
  • Fiber: 2 g
  • Protein: 23 g
  • Cholesterol: 310 mg

Keywords: winter vegetable frittata, sausage breakfast bake, healthy egg casserole, meal prep breakfast, vegetable egg bake