1. Preheat oven to 450°.
2. Place pizza crust on a baking sheet. Spread marinara sauce over crust, leaving a 1/2-inch border. Top evenly with Lamb Steaks with Herbes de Provence and Grilled Sweet Onions. Sprinkle with feta and mozzarella cheeses. Bake pizza at 450° for 12 minutes or until cheeses melt. Remove pizza from oven; sprinkle with pepperoncini peppers. Cut pizza into 8 wedges.