Crescent Crust Taco Pie
["1 1/4 lb. ground beef", "1/2 c. chopped onion", "1 pkg. taco seasoning mix", "1/2 c. water", "1/3 c. sliced stuffed green olives", "1 can refrigerated crescent dinner rolls", "1 c. sour cream", "1 c. shredded Cheddar cheese", "2 c. crushed corn chips", "avocado slices and shredded lettuce (optional)"]
["Preheat oven to 375\u00b0.", "Brown beef and onion. Drain well. Stir in seasoning mix, water and olives. Simmer 5 minutes."]
["ground beef", "onion", "taco seasoning mix", "water", "green olives", "rolls", "sour cream", "Cheddar cheese", "corn chips", "avocado"]