Spinach, Bacon and Feta Breakfast Sandwich

"This Spinach, Bacon and Feta Breakfast Sandwich is an easy, make-ahead dish that's full of fresh ingredients. Fluffy eggs are seasoned with creamy feta cheese, and then topped sautéed spinach and smoky bacon. This sandwich makes a delicious and hearty breakfast for those busy weekday mornings! And the best part about this Spinach, Bacon and Feta Breakfast Sandwich is that it’s so easy to customize, depending on your tastes. If you don’t like spinach, leave it out! Like sausage better? Swap it in for the bacon. See what I mean?"