1 lb. ground beef
2 (8 oz.) cans tomato sauce
1 pkg. taco seasoning mix
1 (8 oz.) Pillsbury refrigerated crescent dinner rolls
1/2 lb. Velveeta Mexican shredded cheese
1 c. shredded lettuce
1/2 c. chopped tomato
1/4 c. pitted ripe olive slices

Preheat oven to 375 degrees. Brown meat and drain. Stir in tomato sauce and seasoning mix; simmer 5 minutes. Unroll dough; press onto bottom and sides of ungreased 12-inch pizza pan. Prick bottom and sides with fork. Bake 10 to 12 minutes or until golden brown. Cover crust with meat mixture; top with cheese. Continue baking until cheese starts to melt. Top with remaining ingredients. Serve with sour cream, if desired.