1/2 cup of butter or margarine
1 1/4 cups of sugar
1 egg
1/2 cup of buttermilk or natural yogurt
1/3 cup of orange juice
3 tablespoons of lemon juice
1 teaspoon of grated orange peel
1 1/2 cups of all-purpose flour
1 teaspoon of baking powder
1/4 teaspoon of baking soda
1/2 cup of butter or margarine
1 1/4 cups of sugar
1 egg
1/2 cup of buttermilk or natural yogurt
1/3 cup of orange juice
3 tablespoons of lemon juice
1 teaspoon of grated orange peel
1 1/2 cups of all-purpose flour
1 teaspoon of baking powder
1/4 teaspoon of baking soda
Beat the butter and sugar until light and fluffy
Add the egg and beat until well combined
Add the buttermilk or natural yogurt, orange juice, and lemon juice
Mix well
Combine the dry ingredients and add to the mixture, mixing thoroughly
Pour into a greased 30x20cm baking dish
Bake in a moderate oven (170°C) for 25-30 minutes.