1 lb. ground beef
2 (8 oz.) cans tomato sauce
1 (1.25 oz.) pkg. taco seasoning mix
1 (8 oz.) can refrigerated crescent roll
1/2 lb. Velveeta cheese
1 c. shredded lettuce
1/2 c. chopped tomato
1/4 c. chopped onion

Brown meat, drain. Stir in tomato sauce and seasoning mix - simmer 5 minutes. Press dough onto bottom and sides of ungreased 12 inch pizza pan, press edges together to seal. Prick bottom and sides with fork. Bake at 375 degrees for 10-12 minutes or until golden brown. Cover with meat mixture; top with cheese. Bake until cheese is melted. Top with remaining ingredients. Serve with sour cream-guacamole.