Step 1

Add one tablespoon of olive oil to a pan.

Step 2

Add the chopped onion and sauté for 2 minutes.

Step 3

Add the ground beef, and break it up using a wooden spatula.

Step 4

Season with salt, pepper flakes and black pepper, cook until browned.

Step 5

Once browned, drain the fat out of the ground beef and set aside to cool.

Step 6

In a large bowl, mix the ricotta, 2 cups mozzarella, 1/4 cup Parmesan, chopped garlic, parsley, egg, salt, pepper and pepper flakes. Add the cooled ground beef and mix until everything is incorporated well.

Step 7

Add 1 tablespoon olive oil to the bottom of your casserole dish and 1 cup of marinate sauce. Spread it all over the dish.

Step 8

Fill the egg thins with some of the filling, roll and place in the prepared casserole dish. Once you have all of them in the casserole, top with the rest of marinara, mozzarella and Parmesan cheese.

Step 9

Bake at 350° F for 30-35 minutes.

Step 10

Serve with a side salad.