Home made donuts with chocolate and vanilla filling | Easiest and tastiest recipe 

Ingredients
Dough Ingredients:
- 500 grams of flour
- 3 tablespoons of sugar
- 1/2 teaspoon of salt
- 1 teaspoon full of yeast or 6 grams
- 2 eggs
- 200 ml warm milk
- 45g butter at room temperature, or 1.5cm from the pan
Filling Ingredients:
- 3 egg yolks
- 2 tablespoons of sugar
- 1 tablespoon of flour
- 250 ml milk or a large cup
- Vanilla
- Chocolate (optional)