Meat sauce: 

1. Heat up olive oil in a sauté pan
2. Add your veggies and let sauté
3. Add beef and brown it
4. Season with salt and pepper
5. Add crushed tomatoes, parmesan, and half of the basil leaves, and let simmer for two hours, stirring often.

Ricotta mix: 

1. Get a large mixing bowl
2. Put everything in bowl and mix thoroughly

Building the lasagna: 

1. Heat oven to 400.
2. Boil lasagna sheets until al dente, drizzling olive oil between each cooked lasagna noodle.
3. Spread tomato sauce on the bottom of a baking sheet
4. Cover sauce with lasagna sheets.
5. Add ricotta mixture and spread evenly
6. Add provolone slices to fully cover the ricotta mixture
7. Add meat sauce and distribute evenly.
8. Add more sauce and grated cheese.
9. Repeat this process until your layers reach the top of the pan.
10. Top layer should be lasagna sheets, sauce, mozzarella, parmesan, and basil.
11. Bake for 40-50 minutes covered with foil. 
12. Remove foil for the last 15 minutes in the oven.
13. Remove from the oven and let it rest for about 20 minutes before cutting into it.
14. Enjoy!