Cream donuts: the result is just irresistible!

Ingredients:
For the donut dough:
2 ¼ teaspoons active dry yeast (or 1 packet)
¾ cup warm milk (110°F / 45°C)
1/4 cup sugar
2 tablespoons melted butter
2 eggs
3 cups all-purpose flour
1/2 teaspoon salt
Vegetable oil (for frying)
For the cream filling:
1 cup heavy whipping cream
1/4 cup powdered sugar
1 teaspoon vanilla extract
For the glaze (optional):
1 cup powdered sugar
1-2 tablespoons milk
1 teaspoon vanilla extract
Directions: 

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