Beat butter, sugar, salt and cinnamon until crumbly. Beat in 1/2 cup water and evaporated milk. In another bowl, dissolve yeast in remaining water; add to milk mixture. Beat in egg until blended., Add 2 cups flour; mix until well blended. Stir in enough remaining flour to form a soft dough (dough will be sticky). Place in a greased bowl, turning once to grease the top. Cover; refrigerate 4 hours or overnight., Bring dough to room temperature. On a floured surface, roll dough into a 16x12-in. rectangle. Cut into 2-in. squares. In an electric skillet or deep fryer, heat oil to 375degrees. Drop beignets, a few at a time, into hot oil. Fry until golden brown, about 1 minute per side. Drain on paper towels. Dust with confectioners' sugar. If desired, serve with assorted berries and whipped topping.