Lasagna

Ingredients:
- 1 lb extra lean ground beef
- 1 small onion, diced
- 1 tbsp oil
- 1 tsp salt
- 1/2 tsp ground black pepper
- 1/2 tsp dried oregano
- 3 cups Gluten-free pasta sauce
- 1 box 20 lasagna sheets (e.g. Catelli)
- 340g ricotta cheese
- 370g shredded mozzarella cheese
- 1 cup shredded Parmesan cheese
- Two large pans

Preparation:
- In a large skillet, heat oil on medium heat. Add onion until aromatic;
- Add beef with salt, pepper, and oregano until brown. Then mix in pasta sauce. Simmer for 5 minutes until meat sauce is smooth;
-  Preheat oven to 375F;
- In a large pan, spread 1 cup meat sauce into the pan. Add two sheets of lasagna sheets. Then evenly spread 1 cup ricotta cheese over the lasagna sheet, followed by 1 cup meat sauce, and 1 cup mozzarella cheese.
- Add another layer of lasagna sheets. Then spread ricotta cheese, meat sauce, and mozzarella cheese;
- Add a third layer of lasagna sheets. Then spread ricotta cheese, meat sauce, and mozzarella cheese;
- Add fourth layer of lasagna sheets. Then spread ricotta cheese, meat sauce, and mozzarella cheese;
- Add a final layer of lasagna sheet. Then pour 1 cup meat sauce, followed by 1 cup mozzarella cheese and 1/2 cup Parmesan cheese;
- Take out another pan. Repeat the same process as above to make a second lasagna. If the sheets were not enough to make five layers, then reduce the number of inner layers.
- Place the pans in oven for 30 minutes. Or place one pan in oven for 30 minutes and store the second pan for later use.