Sausage, Apple, and Thyme Breakfast Pizza

INGREDIENTS

1 lb

multi-grain, whole wheat, or plain pizza dough

1 cup

part skim mozzarella, shredded

1/2 cup

smoked gouda, shredded

chicken apple sausage link, cooked and sliced thin

gala or similar apple, sliced thin

small yellow onion, sliced thin

1/4 tsp

kosher salt

whole eggs

egg whites

1/2 tsp

kosher salt

1/4 tsp

black pepper

1 tsp

fresh thyme, chopped

1 1/2 tsp

low fat mayo

1 tsp

dijon mustard

salt and pepper