Preheat oven to 375°. Unroll crescent dough and separate into eight triangles; cut each lengthwise into three thin triangles. On the wide end of each triangle, place one slice apple, one folded piece cheese and one sausage; roll up tightly.
Place 1 in. apart on parchment-lined baking sheets, point side down. Bake until golden brown, 10-12 minutes. If desired, serve with dressing