Sometimes it's nice to have a delicious yet light main dish. This Pesto Egg White Bake with Tomato, Spinach and Feta is wonderfully flavorful, light, hearty and fresh! It's perfect for a brunch or bridal/baby shower! Here is a step-by-step guide to make this Pesto Egg White Bake with Tomato, Spinach and Feta:  I