This delightful orange sponge cake is loaded with orange flavor and is tender and light.

Ingredients:

Butter 120 grams (room temp.)
Sugar 170 grams
Eggs 2
Sour cream 250 grams
Vanilla extract 2 tsp.
Flour 250 grams
Baking powder 15 grams
2 orange zest
2 orange juice
Sugar 8 tbsp.