1 1/2 c. flour
1/2 c. unsweetened cocoa
1/2 tsp. baking soda
1/2 c. sugar
1/2 c. packed brown sugar
1/2 c. butter
1/4 c. peanut butter
1 tsp. vanilla
1 egg

FILLING:

3/4 c. peanut butter
3/4 c. confectioners' sugar

Combine flour, cocoa, and baking soda; blend well. Beat sugar, brown sugar, butter, and 1/4 cup peanut butter in large bowl until light and fluffy. Add vanilla and egg; beat well. Stir in flour mixture until blended. In small bowl, combine filling ingredients. Roll into 30 (1 inch) balls. Shape 1 tablespoon chocolate dough around peanut butter ball; cover completely. Place on ungreased cookie sheet. Flatten with glass dipped in sugar. Bake in 375 degree oven for 7 to 9 minutes or until set and slightly cracked.