Pumpkin Walnut Cookies

1/2 cup butter or margarine
1 1/2 cup brown sugar, packed
2 large eggs
1 cup cooked or canned pumpkin
1 tsp vanilla
1 tsp grated lemon peel
1 tsp lemon juice
2 1/2 cups sifted all-purpose flour
3 tsp baking powder
1 tsp salt
1 1/2 tsp ginger
1 cup coarsely chopped walnuts

Cream butter and sugar together until fluffy. Beat in eggs, 1 at a time. Stir in pumpkin, vanilla, lemon peel and juice. Resift flour with baking powder, salt and spice; blend into butter mixture. Stir in walnuts. Drop by tablespoonfuls onto greased baking sheets 2 inches apart. Bake at 375* for 12 to 14 minutes. Makes about 2 1/2 dozen 3-inch cookies.
To decorate:
Spread cookies with vanilla butter cream or cream cheese frosting.