1 (8 oz.) pkg. crescent rolls
1 lb hamburger
1 (16 oz.) can refried beans
1 pkg. taco seasoning
1/2 c. sliced olives
16 oz. sour cream
1 egg
4 c. shredded cheddar cheese

Separate crescent rolls into 2 strips of 4 rolls, press into greased 9"x13" pan. Brown beef hamburger (may add diced onion). Add beans and taco seasoning. Spread over roll base, sprinkle with olives. Combine beaten egg, sour cream and cheese, pour over meat. Bake at 375 degrees for 20 to 25 minutes. To serve, cut in squares, top with shredded lettuce and chopped tomatoes. Serve with taco sauce and additional sour cream if desired.