Heat oven to 375 degrees
Cook beef and onion in over medium heat until no pink remains. Drain any fat. Add taco seasoning mix and 1/2 cup water. Simmer 4-5 minutes or until thickened. Cool slightly and toss with 1 cup cheese.
Unroll the crescent rolls. Arrange on a parchment lined pan so the short end in inside and the tips point out in a circle.
Top the center of the rolls with taco meat and top withremaining cheese.
Fold each dough triangle up over the filling and tuck the tip under the bottom of the circle.
Bake 20 to 25 minutes or until lightly browned. Cool 5 minutes and slice. Serve with toppings.
