1. Preheat oven to 350ºF.
2. Create a creamed mixture of sugar, peanut butter and butter or margarine.
3. Add eggs and vanilla; beat well.
4. Stir together flour, baking powder and salt; add to creamed mixture.
5. Beat just till well mixed.
6. Stir in coconut.
7. Spread in greased 11 x 7 x 1 1/2-inch baking pan.
8. Bake in 350ºF oven for 25 to 30 minutes.
9. Cool.
10. Cut into bars.
11. Drizzle with confectioners' icing.
12. -Confectioners'icing: Mix 1 cup sifted powdered sugar and enough light cream to make spreading consistency.
13. Stir in 1/2 teaspoon vanilla and dash salt.