Preheat oven to 400 degrees F.

In a small bowl combine the Italian seasoning, garlic powder, onion powder, and salt. Stir together to combine.

Heat a skillet over medium high heat and add the Italian sausage and ground beef.

Sprinkle 2 teaspoons of the seasoning mix over the meat and continue cooking until the meat is fully cooked. Remove from heat and drain excess grease.

Cut each bell pepper in half lengthwise. Remove the stem, seeds, and ribs (white part inside of the peppers).

In a bowl combine the ricotta cheese, Parmesan cheese, and remaining 2 teaspoons of spice mix. Stir together.

Assemble the peppers by layering 1 tablespoon of marinara sauce, 1 ounce of cooked meat, 1 tablespoon of ricotta inside of each pepper half. Top each with ¼ ounce of mozzarella cheese.

Spread ½ cup of the marinara sauce over the bottom of a casserole dish and place stuffed peppers in the dish side-by-side.

Cover the dish with aluminum foil and bake for 30 minutes. Then remove the foil and continue baking for an additional 15 minutes.

Remove from the oven and serve.