Preheat oven to 375 degrees. Combine first 5 ingredients in a
medium bowl and toss gently. Spoon into a lighlty greased 8-inch
square baking dish. Dot with butter. Roll dough to 1/8-inch thickness
on a lighlty floured surface. Cut into 1/2-inch wide strips with
a knife or pastry wheel. Arrange in a lattice design over rhubarb
mixture. Bake for 40-45 minutes or until pastry is golden brown.