Press the mix-ins down with a fork or spoon.
Place in large, resealable freezer bag. Seal. Freeze.
Reheat in the microwave on a paper towel or napkin. Cooking times vary depending on your microwave oven, but approximately 1 1/2 to 2 minutes if frozen or 30 seconds if thawed.
If you want, you can top the egg bites with salsa, some hot sauce, guacamole, or cottage cheese.
Suggestions for what to put in egg bites:
diced green or purple onions, chopped red or green pepper, pre-cooked deli ham, pre-cooked sausage, crumbled cooked bacon, cooked diced turkey, shredded cheese (cheddar, Gruyere, Swiss, jalapeño jack, or a blend), diced jalapeños, spinach, broccoli