Nutella filled donut recipe

Dough Ingredients:

130 ml warm milk
35 grams sugar
5 grams instant yeast
1 egg
300 grams bread flour
1/4 teaspoon salt
25 grams butter

- Glaze:

150 grams powdered sugar
35 grams melted butter
40 grams milk
1/2 teaspoon vanilla extract

Filling: nutella