pumpkin oatmeal cookies

1 cup pumpkin puree
1/2-3/4 cup light brown sugar
1 T. molasses
1 egg whites
1 cup gluten free flour mix
1 tsp. baking soda
1 tsp. cinnamon
3 cups rolled oats
1 cup raisins-optional

Preheat oven to 350 degrees F. Mix thoroughly the pumpkin, sugar, and molasses. Beat in egg whites. Gradually stir in flour, baking soda, and cinnamon. then add the oats and raisins and mix well. Drop by spoonfuls onto a greased cookie sheet. Bake for 12-15 minutes. When cooled, drizzle on icing.
Icing:
1 cup confectioners sugar
1 T. maple syrup
2 T. water
Mix well.