Print Strawberry Rhubarb Tart I often sprinkle a little almond flour on the tart dough, to soak up any extra juices that may come out of the fruit when it's baking. turbinado or granulated sugar , for finishing the tart Cook Mode Prevent your screen from going dark To make the tart dough, mix the flour, sugar, and salt in the bowl of a stand mixer fitted with the paddle attachment. Mix the fruit together with the sugar and corn starch and place the fruit into the center of the tart dough, then spread it with your hands, leaving 3-inch (8cm) of space between the fruit and the edge of the dough.