Step 1 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Preheat oven to 350°F.
Step 2 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Spray a 12-cavity muffin tin generously with nonstick cooking spray.
Step 3 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Place two sheets of paper towels on a large dinner plate, and set aside.
Step 4 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Set a large skillet over medium-high heat. Place the sausage in the skillet. Cook until browned, using a rubber spatula to break up the sausage into small pieces as it cooks, 5-7 minutes.
Step 5 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Transfer the sausage to the paper towel lined dinner plate to drain.
Step 6 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Finely mince the scallion and set aside. Cut the mushrooms in half and thinly slice. Finely dice the bell peppers.
Step 7 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Return the skillet to the heat and add the olive oil. Once the oil is shimmering, add the mushrooms and peppers. Cook, stirring occasionally, until the mushrooms are shrunken and browned and the peppers are soft, 6-7 minutes.
Step 8 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
In a large mixing bowl, whisk together the eggs, milk, scallion, salt, and black pepper. Add the sausage, vegetables, and shredded cheese. Fold with a rubber spatula until the sausage, vegetables, and cheese are evenly distributed.
Step 9 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Divide the mixture evenly between the 12 cavities of the muffin pan.
Step 10 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Bake the egg muffins on middle rack of oven until golden brown on top and a toothpick inserted in the center comes out clean, 20-25 minutes.
Step 11 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Check to see that muffins are done. Remove from oven or add time as needed.
Step 12 of 12
Sausage, Mushroom, and Pepper Breakfast Muffins
Allow the muffins to cool for 5 minutes in the pan. To remove, run a sharp knife around the edge of each muffin and lift up at an angle. Plate and serve.