Tuscan Frittata Affogata

INGREDIENTS

• 10 eggs
• 1/2 cup grated pecorino romano cheese
• Salt and freshly ground pepper, to taste
• 2 Tbs. plus 1 tsp. olive oil
• 8 oz. mild Italian sausage, casings removed
• 1 small yellow onion, cut into 1/4-inch slices
• 1 red bell pepper, seeded and cut into 1/4-inch slices
• 1 cup tomato sauce
• 6 oz. fresh mozzarella cheese, sliced
• 6 to 8 fresh basil leaves, thinly sliced