Press or roll dough into 11x8-inch rectangle. Spread dough with 1 tablespoon softened butter. In small bowl, mix granulated sugar, cinnamon, walnuts and currants; sprinkle over top of dough; press in slightly. Starting with an 11-inch side, roll up dough tightly; seal edge. Cut into 3/4-inch slices. Place slices on cookie sheet. Brush slices with 1 tablespoon melted butter.