INGREDIENTS
1 cup
all-purpose flour
1/2 cup
Dutch process or unsweetened cocoa powder
1/4 tsp
salt
1/2 cup
unsalted butter, softened
2/3 cup
granulated sugar
1
egg yolk, at room temperature
2 tbsp
milk
1 tsp
pure vanilla extract
3/4 cup
nonpareil sprinkles
25
Hershey’s Kisses, unwrapped