Baked Penne with beef

1 lb ground beef 4 cups cooked penne (about 3 cups uncooked) 2 1/2 cups grated mozzarella cheese , divided 1/2 cup grated parmesan cheese (or to taste) 1 For[...]

3 tablespoons extra virgin olive oil 1/2 lb ground beef 1 tablespoon dried oregano 1 tablespoon dried basil 1/2 tablespoon dried thyme 1 medium yellow onion ,[...]

1 red pepper, halved and cleaned 1 yellow pepper, halved and cleaned 1 orange bell pepper , halved and cleaned 2 large sweet onions , halved 1 lb white[...]