1/2 cup butter, softened
1/2 cup granulated sugar
1/2 cup packed brown sugar
1/2 cup creamy peanut butter
1 egg
1 teaspoon vanilla
1-1/2 cups flour
1 teaspoon baking soda
1/4 teaspoon salt
Granulated sugar (optional)
Preheat oven to 350 deg. Beat butter and sugars until light and fluffy. Blend in peanut butter. Mix in egg and vanilla until well blended. Stir together flour, baking soda, and salt; mix into peanut butter mixture until well blended.
Shape rounded teaspoons of dough into balls; roll in granulated sugar, if desired; place 1-1/2 inches apart on ungreased cookie sheet. Flatten with fork. Bake for 12 to 15 minutes or until lightly brown.
Makes approximately 4 dozen cookies.