Step 1

Heat oven to 350°F. Coat 12-cup muffin pan with nonstick spray.

Step 2

In large bowl, whisk together eggs, milk, everything bagel seasoning if filling with cream cheese, and 1/2 teaspoon each salt and pepper. Divide half of egg mixture among prepared muffin cups, followed by desired fillings (except grated cheese) and then remaining egg mixture. Top with grated cheese if using and bake until puffed and set, 20 to 25 minutes.