Baked Egg Breakfast Casserole With Mushrooms, Spinach & Salsa
This savory mushroom spinach casserole is a delightful combination of earthy flavors and nutritious greens. With tender baby bella mushrooms, fresh spinach, and a pop of salsa, this dish is a satisfying and wholesome meal that is perfect for breakfast, brunch, or a light dinner. The eggs provide a creamy and protein-rich base, while the green onions add a subtle kick of flavor. Serve this casserole warm from the oven for a comforting and delicious meal that is sure to please your taste buds.
— Constant Cookbook
Ingredients
- 2 tsp olive oil, divided
- 12 oz. crimini (baby bella) mushrooms, sliced
- 4 cups (packed) fresh spinach, roughly chopped
- 1/2 tsp kosher salt
- 1/2 tsp freshly ground black pepper
- 1/2 cup salsa
- 5 eggs
- 5 egg whites
- 1/3 cup water
- 2 green onions, thinly sliced
Instructions
- Preheat the oven to 375 degrees F. Coat a 7- by 11-inch ceramic or glass baking dish with cooking spray.
- Heat 1 teaspoon olive oil in a large skillet set over medium heat. Add the mushrooms and cook, stirring occasionally, until the mushrooms are tender.
- Add the remaining 1 teaspoon olive oil and the spinach. Cook until the spinach is cooked down and bright green, 1 to 2 minutes. Season with the salt and pepper. Pour off any extra liquid from the mushrooms.
- Spread the mushroom and spinach mixture evenly on the bottom of the prepared baking dish. Spoon the salsa over top.
- In a large bowl, whisk together the eggs, egg whites and water. Pour the eggs over the mushroom mixture. Sprinkle the green onions over top.
- Bake until the eggs are set and starting to turn light golden brown, about 25 minutes. Test the eggs by poking a small sharp knife into the middle of the eggs. It should come out clean (just a little wet).
- Let the casserole sit for about 5 minutes, then cut into pieces and serve.
- *Leftovers can be covered and refrigerated. Reheat for about 1 minute in the microwave.
Yield
Serves 6
Nutrition
- Serving Size: 0.16 of Casserole
- Calories: 112.6 kcal
- Carbohydrate Content: 4.9 g
- Protein Content: 11 g
- Fat Content: 6.3 g
- Saturated Fat Content: 1.6 g
- Cholesterol Content: 155 mg
- Sodium Content: 411.4 mg
- Fiber Content: 1.6 g
- Sugar Content: 2.5 g
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