Yes! Follow recipe directions. Then, allow egg muffins to cool completely. Arrange on a parchment covered baking sheet, and freeze for 1-2 hours or until frozen through. Remove egg muffins from freezer, and place them in a labeled ziplock bag. Store in the freezer for 1-2 months. To thaw, place them in the refrigerator the night before they are needed. In the morning, warm them in the oven at 350 degrees or microwave for 1 minute.