Sift flour and baking powder into a bowl. Add sugar, carrot, orange rind, and dates. Mix together. Beat eggs in a bowl until pale and creamy. Add orange juice and beat to combine. Stir orange mixture into flour mixture and stir to combine. Pour into a well-greased square baking dish. Bake at 350 F (or 180 C - depending on where you live) for 35 to 40 minutes until baked through and golden brown. Serve with Orange Carmel Sauce.
Orange Carmel Sauce: Place brown sugar and water in a saucepan. Bring to a boil for 3 minutes. Mix orange juice and custard powder together. Pour into carmel amd bring back to a boil.
couldn't substitute cornstarch. (we call it cornflour)