Spray 10-inch nonstick skillet with cooking spray. Heat pan over medium heat.
Whisk eggs then pour into skillet.
As mixture sets on the bottom and sides, gently lift cooked portions with spatula, allowing uncooked portion to flow to the bottom. Do not stir constantly.
Cook 3 to 4 minutes or until eggs are thick yet still moist. Place pizza crust on ungreased cookie sheet.
Mix mayonnaise and mustard; spread evenly over crust. Top with eggs, ham, onions, bell pepper and cheese.