9-inch single pie crust
 2 1/4 cups maple syrup
 3/4 cup light cream
 1/4 cup all-purpose flour
 4 eggs
 1 cup walnuts (optional)
 In bowl, whisk together maple syrup, cream, flour and eggs
 until blended; stir in nuts (if using).  Pour into crust.
 Bake in 375 oven for 10 minutes; reduce heat to 350 and
 bake for 30-35 minutes longer or until set.  Let cool on