Baked Donuts Filled with Jelly

Bahan-bahan (12 porsi)

• 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)
• 2 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)