Peanut Butter and Jelly Shortbread Bars

Ingredients

• 1 cup (250 mL) GAY LEA - Unsalted Butter, softened
• 1 cup (250 mL) granulated sugar
• 1 egg yolk
• 1/2 tsp (2 mL) vanilla extract, optional
• 2 cups (500 mL) all purpose flour
• 1 tsp (5 mL) baking powder
• 1/4 tsp (1 mL) salt
• 3/4 cup (175 mL) blueberry jam
• 1/2 cup (125 mL) smooth peanut butter
• 1/2 cup (125 mL) icing sugar
• 2 tsp (10 mL) GAY LEA - Unsalted Butter, softened