Mix flour, baking soda, and salt. Mix together butter, peanut butter, and sugar. Beat in egg and vanilla. Stir in flour mixture. Shape dough into 1-inch balls. Roll in sugar and place on a greased cookie sheet. Bake at 375 degrees for 12 minutes. Remove from oven and press chocolate kisses firmly into cookie.
Rachel Paxton is a freelance writer and mom who is the author of What's for Dinner?, an e-cookbook containing more than 250 quick easy dinner ideas. For more recipes, organizing tips, home decorating, crafts, holiday hints, and more, visit Creative Homemaking at http://www.creativehomemaking.com.