250 grams of high-gluten bread flour, 30 grams of rye flour, 40 grams of fine sugar, 30 grams of butter, 20 grams of whole egg liquid, 3 grams of salt, 4 grams of yeast, 8 grams of milk powder, proper amount of egg liquid (brushing noodles), proper amount of sesame seeds, 3 hot dog sausages, 3 slices of lettuce leaves and proper amount of yellow mustard sauce/tomato sauce. Cooking steps: 1.

2. After half an hour, add softened butter and continue to knead until the expansion stage.

3. Put the dough in a container, cover it with plastic wrap and put it in a warm place for fermentation.

4. When the dough is fermented to 2.5 times its original size.

5. Take out, knead and exhaust, divide into eight parts, cover with plastic wrap and relax for 20 minutes.

6. Take a dough and roll it into an oval shape.

7. Roll it up from top to bottom, slightly protruding in the middle, and put it under the edge.

8. Put the prepared dough into paper film, and those without paper film can be directly discharged into the baking tray. Pay attention to leave a certain gap in the middle to avoid getting bigger and sticking together after fermentation.

9. Ferment again to the original size 1.5 times, brush a thin layer of egg liquid on it and sprinkle with sesame seeds.

10. preheat the oven in advance 170 degrees, put the baking tray in the middle layer and bake for about 15 minutes. After the surface is colored, it can be covered with a layer of tin foil to avoid the color being too dark.

1 1. When the surface is golden yellow, take it out of the oven and move it to the baking net for cooling.

12. Prepare hot dog sausage, sauce and lettuce leaves.

13. Bake the hot dog sausage in an oven preheated to 170℃ for about 15 minutes, or fry it in a frying pan.

14. Cut the bread, being careful not to cut off the bottom, and then clip in lettuce leaves and roast hot dog sausage.

15. Finally, squeeze the sauce according to your own preferences, and you're done!