Make-Ahead Egg Muffins

0 Preheat oven to 350° and grease a muffin pan with oil.
1 In a large bowl, whisk eggs by hand with a fork. Add spices- mix well.
2 Stir in your prefered meat, veggies and/or cheese into the egg mixture Alternatively, you can divide your veggies and meat into the muffin cups FIRST, then add the eggs on top. Either way works well!
3 Divide the egg mixture evenly into greased muffin tins 3/4 of the way full.
4 Bake about 20 minutes until browned around the edges and eggs are set. Serve immediately or store in the refrigerator until ready to eat.