Ingredients

1/2 cup butter
1/2 cup peanut butter
1/2 cup sugar
1/2 cup brown sugar
1 egg
1/2 teaspoon vanilla
1 1/4 cups sifted flour
3/4 teaspoon baking soda
1/4 teaspoon salt

Instructions

Preheat oven to 375?. Mix first six ingredients.

Add the rest of the ingredients. Mix well.

Roll into balls and press down with a fork dipped in sugar or flour.

Bake for 12 to 15 minutes in the preheated oven, until just lightly browned.

Allow cookies to cool on baking sheet for 5 minutes before removing to a wire rack to cool completely.

Source : allrecipes.Com