Prep the portobello mushrooms by removing the stemPrep the portobello mushrooms by removing the stem. If the mushrooms seem dirty, gently wipe the cap with a damp paper towel. Place the mushrooms on a wire rack on a baking sheet.
Make the meat sauce. In a 5-quart heavy pot, cook the ground beef and Italian sausage until no longer pink, and drain off the grease. Y'all know I used my Calphalon pot that I love and have had for many years!
Preheat oven to 350F. Make the ricotta cheese mixture. Combine the ricotta cheese, parmesan cheese, and 1 cup of the mozzarella cheese. Add 1 teaspoon of Italian seasoning and blend well.