https://www.365daysofbakingandmore.com/baked-stuffed-shells/2 tablespoons olive oil
1 small onion chopped
3 cloves garlic minced
½ pound ground beef
24 ounces pasta sauce or homemade meat sauce
15 ounces ricotta cheese
2 cups shredded mozzarella divided
½ cup grated Parmesan cheese
1 egg
2 tablespoons dried parsley
Preheat oven to 350⁰ F, and prepare a 9 X 13-inch baking dish by spraying it with cooking spray.
Cook pasta shells according to package directions.
Pour the olive oil into a large skillet and warm over medium heat.
Sautée the garlic and onion until fragrant, about 3 minutes.
Add the ground beef to the skillet and cook until brown.
Pour in the pasta sauce and simmer on low until ready to use.
In a large mixing bowl, beat the egg. Add the ricotta cheese, 1 cup of the mozzarella, Parmesan cheese and parsley. Mix well.
Place 1/2 of the meat sauce into the bottom of the prepared baking dish.
Fill each shell with the filling and place into the baking dish.
Pour remaining meat sauce over the shells and cover the pan with tin foil.
Bake for 30 minutes.
Remove tin foil and sprinkle the remaining 1 cup of mozzarella over the shells. Return to oven to bake uncovered for another 5 - 10 minutes or until cheese is melted.