Boil butter, whipped cream and sugar in a pot, mix in milk powder, starch and corn starch, and finally add egg yolk, stir-fry for one minute, then take it out and cool it slightly, and then put it in the refrigerator for setting. It's not too long, just a little hard. Let's make milk yellow stuffing. Or steam the egg yolk first and crush it for later use. Screen and put the classified materials in the formula together (if any). The dough must not be like China's dough, which will strengthen the dough and the taste will not be crisp.
Drop a few drops of lemon juice into the egg white and add sugar three times to dry it; Stir electric egg beater with powdered sugar and eggs for a minute or two. Bubble evenly like this. Take one third of the beaten egg whites and put them into the yolk batter; Add sugar in three times, and mix the beaten egg whites with egg yolks.
Pour the cake paste on a baking tray covered with baking paper. Here is a 27 cm square baking tray. Preheat the oven in advance, and fire at 170 degrees for 30 minutes. Spread the cake paste evenly on the baking tray with a scraper, put it in the oven preheated to 190℃ and bake for 12 to 15 minutes. Drop the baked cake from a height, shake off the heat, buckle it upside down on the clothes rack, and let it cool for later use. Poke a small hole in the middle of the cake, and poke it with a knife while turning the cake, being careful not to poke the edge of the cake. Explosicum cake is a very popular online celebrity cake recently. It has no fancy cream surface and heavy decoration. It is the new favorite of many girls.