Freezable Breakfast Sandwiches: 1. Spray your muffin tin with butter spray and drop one egg in each well. 2. Bake at 300 degrees for about 25–30 mins 3. Your eggs should slide very easily from the muffin tin. Let cool and assemble your breakfast sandwiches. To reheat: Wrap the breakfast sandwiches up in paper towel and microwave them for one minute increments in the microwave.