These Air Fryer Doughnuts Have Just 4g of Fat

INGREDIENTS

1/4 cup

warm water, warmed (100F to 110F)

1 tsp

active dry yeast

1/4 cup

, plus 1/2 tsp. granulated sugar, divided

2 cups

(about 8 1/2 oz.) all-purpose flour

1/4 tsp

kosher salt

1/4 cup

whole milk, at room temperature

2 tbsp

unsalted butter, melted

large egg, beaten

1 cup

(about 4 oz.) powdered sugar

4 tsp

tap water