Italian Stuffed Shells

Ingredients (16)

• 20 jumbo shells
• 4 tbsp olive oil
• 1 cup onion
• 1 cup green bell pepper
• 1 cup celery
• 2 cloves garlic
• 12 oz. chicken sausage
• 1 tbsp parsley
• 1 tbsp basil
• 1 tbsp rosemary
• Salt and pepper
• 6 oz fresh Ricotta cheese
• 1 large egg
• 1 cup Parmesan cheese
• 1 cup mozzarella cheese
• 3 cups marinara sauce