For the dough – 1 cup (240 ml) full fat milk – 2 teaspoons instant or active dry yeast – 3 2/3 cups (490 g) all purpose flour, plus more for kneading – 1/4 cup (50 g) granulated sugar – 3 tablespoons (45 g) unsalted butter, melted – 2 (2) large eggs, whisked – 1 teaspoon fine sea salt – 1 teaspoon lemon zest – 1 tablespoon (15 ml) dark rum – vegetable oil, for greasing the bowl For the roll – 3 tablespoons (45 g) unsalted butter, melted – 1 cup (240 ml) jam of your choice, I use rosehip Extra – butter, for greasing the pan – powdered sugar, for serving (optional)