Polish Poppy Seed Rolls
1 teaspoon milk, or as needed 1 ½ cups all-purpose flour, divided, or more … 1 ½ cups poppy seeds 2 large egg yolks 2 tablespoons water 2 teaspoons active dry yeast 3 tablespoons powdered sugar, or as needed 3 tablespoons unsalted butter 3 tablespoons unsalted butter, melted 3 tablespoons white sugar ¼ cup honey ¼ cup milk ½ cup whole milk, warmed ½ teaspoon kosher salt ⅛ teaspoon pure vanilla extract