Peanut Butter and Jam Cookies

Heat oven to 190ºC. With an electric mixer with a paddle attachment, cream granulated sugar, brown sugar, peanut butter, butter at medium speed until fluffy. Beat in egg and vanilla. In a separate bowl, combine flour, baking soda, and salt. Slowly add flour mixture to wet ingredients until dough forms. Cover and chill in fridge for at least 2 hours or up to 24 hours.  Shape dough into 1¼ inch balls. Place about 3 inches apart on ungreased cookie sheet. Using a fork dipped in sugar, flatten by making a crisscross pattern.  Bake 9 to 10 minutes or until light golden brown. Cool 2 minutes; remove from pan and cool completely. Add a teaspoon of jam to the center of each cookie. In a microwave safe bowl, melt peanut butter for 15 seconds or until just liquified. Using a spoon, drizzle the melted peanut butter over the top of each cookie.