Quick Crescent Taco Pie 

1 (1.25 ounce) package taco seasoning mix
1 pound ground chuck
1/2 cup water
1 (8 ounce) can refrigerated crescent rolls
2 cups crushed corn chips
1 cup sour cream
1 cup shredded cheddar cheese
shredded lettuce, optional
avocado slices
                   
1. In a large fry pan, brown the ground chuck. Drain off the
   oil. Stir in seasoning mix, water, and olives. Simmer for
   5 minutes. 
2. Separate crescent dough into 8 triangles. Place
   triangles in an ungreased 10-inch pie pan, pressing to
   form a crust. Sprinkle 1 cup corn chips over the bottom
   of crust. Spoon meat mixture over crust and corn chips.
   Spread sour cream over meat mixture, and cover with
   cheese. Sprinkle remaining corn chips over the top. 
3. Bake at 375 degrees F for 20 to 25 minutes, or until crust
   is golden brown. If desired, serve in wedges topped with
   shredded lettuce and avocado