No oven, delicious, soft and dense, delicious.

Add corn oil to milk, stir and emulsify, sift in low-gluten flour, draw a Z and stir well, add egg yolk and stir well. Drop lemon juice into egg white, add sugar three times, and make a small pointed hook. Spoon a spoonful of egg whites into the egg yolk paste and stir well. Pour back the egg whites and stir well. Pour the batter into a six-inch mold, shake the bubbles twice, cover the mold with high-temperature plastic wrap, or tin foil and water, steam for 40 minutes and stew for 5 minutes.