Stir together butterscotch chips, coconut and nuts in small bowl. Unroll dough to form 8 triangles. Lightly sprinkle 1 heaping tablespoon butterscotch mixture on top of each; gently press into dough. Starting at shortest side of triangle, roll dough to opposite point. Place rolls, point side down, on ungreased cookie sheet; curve into crescent shape.
Bake 10 to 12 minutes or until golden brown. Sprinkle with powdered sugar. Serve warm. 8 crescents.