Brown ground beef and add 1 clove of minced garlic to it and set to the side
Par boil your jumbo shells (about 7-9 minutes)
Make your ricotta mixture by mixing together the ricotta, egg, spinach, seasonings and 1/2 c of the cheese
Add 1 c of the marinara sauce to the ground beef mixture and place in the bottom of a greased casserole dish
Fill the jumbo shells with the ricotta mixture and place the stuffed shells into the casserole dish on top of the ground beef mixture
Once all of your shells are stuffed and in the casserole dish top with the remaining marinara sauce and cheese.
Bake at 400 for 20 minutes
Serve and Enjoy!