Heat oven to 375°F. Grease cookie sheet. Unroll dough; separate into 8 triangles. Cut each triangle into 3 smaller triangles.
Place 1 wiener on shortest side of each triangle; roll up to opposite point. Place, point side down, on greased cookie sheet.
Bake at 375°F. for 11 to 15 minutes or until deep golden brown. Immediately remove from cookie sheet. Serve with ketchup.