We sometimes make a taco ring at Christmas, we call it a taco doughnut! You drape crescent roll triangles around a round baking sheet with the edges of the crescents hanging off the sheet and each crescent triangle touching the ones next to it. You stuff the crescents with taco meat then wrap it all up so you have a ring, then bake. (make sense?) You can layer toppings in the center of the ring, like lettuce, onions, olives and salsa. I like to make a small bow out of red bell pepper slivers and place it at the bottom of the ring to look like a wreath. Oh, and a hollowed out bell pepper filled with sour cream can be placed in the middle.
Here's a link with the recipe:
http://www.thatsmyhome.com/mainstreetdeli/tacres.htm
