1
["COMBINE graham crumbs, 1/4 cup (50mL) sugar, butter and cinnamon.", "Press evenly over bottom of a 9 1/2"" (24cm) springform pan.", "Bake in oven at 350F (180C) for 8 minutes.", "Set aside to cool.", "SPRINKLE 2 envelopes gelatin over 1 cup (250mL) orange juice.", "Let stand 5 minutes, then heat and stir until dissolved.", "Beat in egg yolks and 1/2 cup (125mL) sugar and continue cooking until slightly thickened, stirring constantly.", "Cool slightly.", "BEAT cream cheese in a large bowl until smooth, add gelatin mixture, vanilla and yogurt and continue beating until smooth.", "BEAT egg whites in a separate bowl until stiff, then fold into cream cheese mixture.", "Pour into crust.", "REFRIGERATE until mixture is almost set, about 1 hour.", "SPRINKLE remaining envelope over 1 cup (250mL) orange juice.", "Let stand 2 minutes.", "Heat until dissolved.", "Refrigerate until mixture is almost set, about 5 - 10 minutes, then pour over cheesecake.", "REFRIGERATE 3 hours or overnight.", "If desired, garnish with oranges and citrus leaves."]