Heat oven to 375° In a large skillet brown sausage and ground beef; drain well. Stir in tomato paste and spices. Spoon evenly into ungreased 13 x 9-inch pan. Top with mushrooms.
In medium bowl, combine mozzarella cheese, 1/2 cup Parmesan cheese and parsley. Spoon over meat and mushroom mixture. Unroll pizza crust; press or roll to 13 x 9-inch rectangle. Place crust over cheese mixture; seal edges. With a sharp knife, cut 1-inch slit in top of crust. Brush with egg; sprinkle with 1 tablespoon Parmesan cheese. Bake at 375 degrees for 30 to 40 minutes or until crust is golden brown. Let stand 5 minutes before serving. 12 servings.