1, Hamburg bread embryo is a food made of yeast, eggs, milk, etc. As the main ingredients, sugar, salt, butter, etc. As the main seasoning. This kind of food is baked. Yeast (15g), egg (1), butter (3 teaspoons), flour (3.5 cups) and milk (2 teaspoons). Accessories: sugar (3 teaspoons), salt (1 teaspoon), warm water (1 cup) and protein (1).

2. Prepare all the materials. Mix yeast, hot water and 1/2 cups of flour, cover with plastic wrap, and ferment in a warm place for 15 minutes. 15 minutes later, the yeast began to be active, producing bubbles and the liquid became sticky. Add eggs, sugar, salt and melted butter and stir. Add the remaining flour, beat with an egg beater for 5 minutes to form a very sticky dough, cover and ferment in a warm place for 2 hours until it is twice as big. Take out the fermented dough. Sprinkle flour on the cooking table, take the fermented dough out of the basin, cut it into 8 small portions without kneading. Shape 8 small portions of dough, put them on baking paper and sprinkle with a thin layer of flour. Ferment in a warm place for about 20 minutes until it is twice as big. Egg white and milk, beat into egg liquid, set aside. Dip the fermented dough in egg liquid with a brush, lightly brush one layer, then sprinkle with white sesame seeds, preheat the oven to 190 degrees in advance, and bake for 15- 17 minutes until the surface is golden. Move the bread to the shelf and let it cool for use.