Cream together:

• 1/2 cup peanut butter
• 1/2 cup sugar
• 1/2 cup brown sugar
• 1 egg
• 1/2 teaspoon vanilla extract
• 1/2 cup butter

Sift together then mix into cream mixture:

• 1 1/4 cups flour
• 3/4 teaspoon baking soda
• 1/4 teaspoon salt

Blend together well. Spoon onto cookie sheet. Bake at 350 degrees for 8-10 minutes. Cool on rack.