It's because the egg whites are not whipped.

Doing cake whipping protein is the key, no water and oil-free container, can make the protein whipping once in place, add the right amount of baking powder, can also stabilize the protein, so that the protein is not easy to defoam, baked cake organization fluffy, soft texture.

The way to make cupcakes step by step is as follows:

Raw materials needed:

1, the main ingredients: 5 eggs, 150 grams of low-gluten flour, 40 milliliters of milk.

2, auxiliary ingredients: 80 grams of sugar, black sesame seeds.

Step 1: Prepare all ingredients.

Step 2: Beat all the eggs into a waterless and oil-free beater, and add the sugar at once.

Step 3: Beat the eggs and sugar well.

Step 4: Take a soup bowl a little bigger than the whisking bowl, fill it with an appropriate amount of water around 50 degrees Celsius, put the whisking bowl into the soup bowl, and whip the egg mixture over the water, with the whisk on low speed first.

Step 5: Whip on low speed until there are big bubbles.

Step 6: Turn on high speed and continue to beat until the egg mixture is white and thick, and the "8" will not disappear.

Step 7: Sift in some of the low-flour and mix well with a flipping motion, then add the rest of the low-flour and mix well.

Step 8: Mix the milk and corn oil together until creamy.

Step 9: Add some of the egg cream batter to the milk and oil mixture, toss to coat, then pour all of it back into the egg cream batter and continue to toss to coat.

Step 10: Pour the batter into the baking cups and sprinkle with black sesame seeds.

Step 11: Put into the preheated oven la, middle layer 175 degrees bake 20 minutes.

Step 12: The finished picture is as follows.