Homemade Crème Brûlée Donuts Recipe

Ingredients:
For the Donuts:
1 cup milk, lukewarm
1 tbsp active dry yeast
1/3 cup granulated sugar
3 egg yolks
1 tsp vanilla extract
4 tbsp butter, softened
4 1/4 cups all-purpose flour
1 1/2 tsp salt
Vegetable oil for frying
For the Custard Filling:
1/2 cup granulated sugar
1/2 tsp salt
3 tbsp cornstarch
2 cups milk
4 egg yolks
2 tsp vanilla extract
2 tbsp unsalted butter
For the Brûlée Topping:
1 cup granulated sugar
1/4 cup water
Instructions: