Butter Tart Squares

Bahan-bahan (18 porsi)

• ½ cup butter (softened)
• 1 cup all-purpose flour*
• ½ cup sugar
• ⅔ cup brown rice flour
• ⅓ cup potato starch
• 2 tablespoons butter (melted)
• 1 cup light brown sugar
• 2 eggs
• 2 tablespoons all-purpose flour**
• ½ teaspoon baking powder
• 1 teaspoon vanilla
• ⅛ teaspoon kosher salt
• 1 cup raisins
• ½ cup chopped pecans or walnuts
• 2 tablespoons brown rice flour