Orange Sponge Cake - cooking recipe

Ingredients

3 eggs
1 cup sugar
1 1/3 cups orange juice
grated rind from 1 orange
1 cup flour
1 teaspoon baking powder
1/4 teaspoon salt

Preparation

Beat egg whites until stiff, then add yolks one at a time, beating between each addition.
Add sugar, rind and juice.
Combine flour, powder and salt and fold into juice mixture.
Bake in a shallow pan long and slowly (at 300-325 degrees and start checking for doneness at 35 minutes)