1. Put the peeled and trimmed peaches together with the skins in a pot and boil with sugar. When the peaches are soft, add lemon juice and boil a little more.
5. Pour a little of the dough into the bowl of melted unsalted butter and milk (temperature 50-60 degrees), mix, put in the main dough, mix, pour into a 15cm mold, and clear the air bubbles.
6. Bake in an oven preheated to 160°C for 35 minutes, cool, cut the top and bottom, cut into 4 pieces, and cut into the size of the mold to make the cake.