The specific steps to do the cake are:

1, eggs from the refrigerator in advance, the egg white, egg yolk separation, low gluten flour add corn starch, baking powder, salt mix well, sieve and spare.

2. Add 20 grams of sugar to the egg yolks, whisk well, then add salad oil and milk in 3-4 times, whisking until the egg yolk liquid is even, thick, no oil, water separation phenomenon.

3, gently add flour, quickly cut and mix well, the liquid can not appear flour particles. At this point you can preheat the oven to 180 degrees.

4, add lemon juice to the egg whites, use a whisk to make large fish-eye shaped bubbles, then add 20 grams of sugar, the remaining 40 grams of sugar every whisking 1-2 minutes to add, in two additions, until the egg whites stiff foam. Lift the whisk and the top whites stand up in a triangle shape without bending.

5, take out 1/3 of the egg whites and mix with the egg yolks before mixing, use a rubber spatula to cut and mix well, then pour the mixed batter into the egg whites, quickly cut and mix well. 6. After the complete mixing is successful, immediately pour the dough into the cake molds, shaking a few times, to remove bubbles. 7, put the molds into the middle of the oven, bake for 40 minutes with a 180-degree up and down heat, remove immediately after baking. Invert and let cool before unmolding;