1 (1 1/2 to 2 lb.) pkg. ground beef
1 (8 oz.) can tomato sauce
1 pkg. Sloppy Joe seasoning mix
2 tbsp. chopped onion
1/2 tsp. salt
2 (8 oz. each) cans Pillsbury quick crescent dinner rolls
1 c. Mozzarella cheese
Milk

Grease 9 x 13 inch pan. Brown hamburger. Stir in tomato sauce, seasoning mix, onion and salt. Mix well and simmer. Separate each can of rolls. Using 1 can, press in bottom of pan (2 large rectangles). Spoon hot mixture over the dough (crust). Sprinkle with cheese. Using other can of rolls, make a cover over mixture. Brush with milk. Bake at 425 degrees for 15-20 minutes or until brown. Cut into squares and serve.