Rugelach Cookies

Bahan-bahan (60 porsi)

• 4 cups all-purpose flour (plus more as needed)
• 2 teaspoons rapid rise or instant yeast
• ½ teaspoon fine sea salt
• 1 cup unsalted butter ((2 sticks), melted and cooled to 110˚F)
• 1 cup whole milk (warmed to 110˚F)
• 2½ Tablespoons granulated sugar (divided)
• 1 cup berry jam or blended preserves (preferably a thick consistency)
• 1 cup confectioners’ sugar (for finishing)