Keto Breakfast Beef Frittata

Ingredients

• 12 large eggs
• 1 pound ground beef
• 1 medium onion, diced
• 2 cups spinach, chopped
• 8 ounces mushrooms, sliced
• 1/2 cup heavy cream
• 2 tablespoons butter
• 1 teaspoon salt
• 1/2 teaspoon black pepper

Instructions

1. 1

   Preheat the oven to 375°F (190°C).

2. 2

   In a large oven-safe skillet, cook the ground beef over medium heat until browned and crumbled, 5-7 minutes. Drain any excess fat.