Squash or Pumpkin Cloverleaf Rolls

I have a passion for the big, hard winter squash that comes in myriad sizes, shapes, and colors: the globular green buttercup, the pear-shaped tan butternut, the sugar pumpkin, bright orange turban, striped turban, bumpy acorn, or the dense oval Hubbard (which is sometimes substituted for pumpkin since it has a lower moisture content). Any variety of squash yields equally good results. If you are really in a hurry, you can certainly use canned pumpkin here with no loss of flavor. I give ins