Skinny Spinach and Meat Stuffed Shells

Ingredients (13)

• 12 Jumbo Shells
• 1/2 pound ground beef
• ¾ of 32 oz can crushed tomatoes
• 1 cup red onion
• 3 garlic cloves
• 1 teaspoon olive oil
• 1 tablespoon fresh basil
• 1 ½ cups part skim ricotta cheese
• 1 cup reduced fat mozzarella cheese
• 1 egg
• 1 ½ cups frozen spinach
• ¼ cup Parmigiano Reggiano
• Kosher salt