4 eggs, separated
75 grams white granulated sugar
25 grams butter
1 small cooking apple
Grated zest of 1 orange
225 grams carrots
Juice of 1 orange
1 teaspoon lemon juice
50 grams potato flour
Preheat the oven to 190°C (375°F).
Grease a 1-litre casserole dish.
Beat the egg yolks and sugar in a bowl until light and fluffy and pale in color.
Very finely grate the carrot and apple, then squeeze out and discard all the liquid.
Mix the grated carrot, apple, orange rind, orange and lemon juice, and flour.
Combine the egg and carrot mixtures.
Whip the egg whites until they are very stiff, and fold into carrot mixture.
Spoon mixture into the greased casserole dish.
Bake for 35 minutes or until golden brown.
35 minutes