Facebook page: \r \r Chocolate Sponge Cake\r Ingredients:\r 5 large egg whites (160 grams)\r 1 teaspoon white vinegar\r 120 grams fine Sugar/or caster Sugar\r 4 large egg yolks (72 grams)\r 90 grams plain flour\r 30 grams cacao powder\r 1/2 teaspoon salt\r 20 grams oil (20 ml)\r 30 grams milk (30 ml)\r 1 teaspoon vanilla essence\r pan size 18 cm\r \r Baking temperature and time:\r 150°C for 35 minutes, and then 170°C for 3 minutes.\r \r Baking time may vary depending on the type and accuracy of you oven.\r \r Dont need baking powder for this recipe !!!