Orange Curd 1 Place Lemon Juice In Small Bowl Or Custard Cup. Sprinkle Gelatin Over. Let Stand 15 Minutes. 2 Whisk Sugar, Orange Juice, Yolks, Orange Peel, And Lemon Peel In Heavy Large Saucepan To Blend. Add Butter. Whisk Over Medium Heat Until Curd Thickens And Bubbles Begin To Appear At Edges, About 9 Minutes. Remove From Heat. Add Gelatin Mixture. Whisk Until Gelatin Dissolves. Transfer Curd To Small Bowl. Press Plastic Wrap Onto Surface Of Curd. Chill Overnight. Cake 1 Preheat Oven To 350