고구마 이렇게 먹으면 더욱 맛있어요/고구마빵/Sweet potato bread

Ingredients (8 servings)

*bread dough
350g strong flour
200g milk
Egg 52g (weight without shell)
45g sugar
7g salt
6 g instant dry yeast
45 g butter

*Sweet potato topping
400g sweet potato
70g sugar
400g water
1g salt
Black Sesame 10g

*streusel
50g soft flour
40g sugar

1g salt
25g melted butter