Homemade hot dog buns / EASY RECIPE

Hot dog bread recipe! Very soft bread. An easy to make recipe. They freeze easily once cooked. An American specialty that is usually topped with sausage, mustard and ketchup and sometimes even fried onions and cheese. Good tasting !
Ingredients:
1 egg
50ml milk
100ml water
8g dry yeast
345g wheat flour
1 pinch of salt
25g caster sugar
1 teaspoon baking powder
50g butter
Gilding: 1 egg + 2 tablespoons of water