White Chocolate Raspberry Thumbprint Cookies

Ingredients (13)

• + ½ cup butter, softened add to pantry
• + ½ cup vegetable shortening add to pantry
• + ½ cup white sugar add to pantry
• + ½ cup confectioners' sugar add to pantry
• ✓ ½ teaspoon baking soda
• ✓ ½ teaspoon cream of tartar
• + ⅛ teaspoon salt add to pantry
• + 1 egg add to pantry
• + ½ teaspoon vanilla extract add to pantry
• ✓ 2 cups all-purpose flour
• + ⅓ cup seedless raspberry jam add to pantry
• + 1 cup white chocolate chips add to pantry
• + 2 tablespoons red sugar sprinkles, or as desired add to pantry