French Onion Stuffed Shells Recipe

Ingredients For French Onion Stuffed Shells Recipe

• 4 Sweet onions, thinly sliced
• 4 tablespoon Unsalted butter
• 0.5 teaspoon Dried thyme
• 2 Garlic cloves, minced
• 8 ounce Jumbo pasta shells, you need about 20 shells
• 2 cup Ricotta cheese
• 1 Large egg
• 1 cup Grated gruyere cheese
• 0.25 cup Grated parmesan cheese, plus more for topping
• 1 tablespoon Flour
• 1.5 cup Chicken, beef or vegetable stock
• 0.33000000000000007 cup Cream
• 1 cup Grated mozzarella cheese, for topping
• 0.25 cup Seasoned breadcrumbs, for topping