Loaded Baked Omelet Muffins

Name: Loaded Baked Omelet Muffins
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: nonstick cooking spray; 9 large whole eggs; 1/4 teaspoon kosher salt; black pepper; 3 strips cooked chopped bacon; 3 tablespoons thawed frozen spinach (drained); 3 tbsp diced tomatoes; 3 tbsp diced onion; 3 tbsp diced bell pepper; 2 oz shredded cheddar