Baked Donuts Filled with Jelly

INGREDIENTS

2 1/2 cups

all-purpose flour (divided, plus more for dusting)

1/4 cup

granulated sugar

1/4 tsp

salt

2 1/4 tsp

instant yeast (quick acting, (1 packet = 7 grams))

2/3 cup

warm milk (110˚F - microwave 35 sec.)

4 tbsp

unsalted butter (melted, divided)

egg yolks

1/2 tsp

vanilla extract

1/3 cup

jelly or jam ((no large fruit pieces))

1/3 cup

granulated sugar (to roll donuts)