2 pkgs. crescent rolls
1 lb. hamburger
1 pkg. taco seasoning, 1.25 oz. size
1 (6 oz.) tomato paste
4 lg. slices Mozzarella cheese
1 egg, beaten

Brown hamburger; drain. Add taco seasoning, tomato paste and 1/2 can water. In 9x13 pan, spread one package crescent rolls, add meat mixture. Top with cheese slices. Put other can of rolls on top and seal well. Brush top with egg. Bake 350 degrees for 30 minutes. Serve with chopped lettuce, tomato and sour cream if desired.