3/4 cup unsalted butter room temperature
1/2 cup light brown sugar
1/2 cup granulated white sugar
1 large egg
1tsp vanilla extract
3/4 cup peanut butter smooth or crunchy
2 cups all purpose flour
1/2 tsp baking soda
1/4 tsp salt
1/4 cup chopped peanuts (optional)Preheat oven to 350 degree F
In your mixing bowl, beat together the butter and the white and brown sugar until light and fluffy. Add the peanut butter. Beat in the eggs and vanilla until well incorporated.
In another bowl mix together the flour, baking soda and salt. Add the dry ingredients to the peanut butter mixture. Mix well and then fold in the chopped peanuts.
Roll the batter into 1 inch balls and place them 2 inches apart on the prepared baking sheet. Then using a fork press down and make a crisscross pattern on the cookie. Bake cookies for about 10-12 minutes until the edges are lightly brown . Place on wire rack to cool.
Makes about 40 cookies
Source: Joy of Baking