Chocolate Chip Coconut Cowboy Cookies

Adapted from June (Pelgen) Nordin's Cowboy Cookie recipe
1 cup flour
1/2 teaspoon soda
1/4 teaspoon salt
1/4 teaspoon baking powder
1/2 cup margarine
1/2 cup sugar
1/2 cup brown sugar firmly packed
1 egg
1 cup quick cooking oats
1 teaspoon vanilla
1/4 cup flaked coconut
1 (6 oz.) pkg. milk chocolate chips
Optional: 1/2 cup chopped walnuts

Sift together and set aside flour, soda, salt and baking powder. Blend together margarine and sugars. Add egg and beat until light and fluffy. Add flour mixture and mix well. Add oats, vanilla, chocolate chips and coconut, mix well. Add walnuts if desired.
Drop by teaspoonful onto greased cookie sheet. Bake at 350° for 12 minutes.