Separate dough into 10 biscuits; press each biscuit into 3-inch round. Place heaping 1 teaspoon of the mascarpone cheese on center of each biscuit. Bring all sides of dough up over filling, stretching gently if necessary, and gather in center above filling to form a ball; firmly pinch edges to seal. Roll each biscuit in melted butter, then roll in sugar-cinnamon mixture. Place 1 biscuit in center of pan. Arrange remaining biscuits, seam sides down and sides touching, in circle around center biscuit. Pour remaining butter over biscuits; sprinkle with remaining sugar-cinnamon mixture.