STEP 1/13
Place all ingredients except butter in a bowl (drop the yeast separately to avoid direct contact with salt and sugar).
STEP 2/13
Knead for 5 minutes by hand or kneader.
STEP 3/13
Add butter and knead smoothly for 15 to 20 minutes.
STEP 4/13
Cover the dough with plastic wrap to prevent it from drying and first ferment in a warm place (40) for 50 minutes.
STEP 5/13
After the first fermentation, check if the dough is swollen 1.5 to 2 times.
STEP 6/13
Divide the dough into six equal parts, round, and ferment for 15 minutes.
STEP 7/13
Roll dough long in one direction (about 16cm). Then, cut about 10cm in the middle.
STEP 8/13
After plastic surgery, let it ferment in a warm place for 40 minutes.
STEP 9/13
Cover sausage with sliced cheese during 2nd fermentation.
STEP 10/13
After the second fermentation, make another cut.
STEP 11/13
Apply milk or egg water to the surface.
STEP 12/13
Press sausage down and sprinkle with ketchup, mayonnaise and parsley.
STEP 13/13
Bake for 15 minutes in a preheated oven at 170.