Step 1 Generously grease 9-inch springform pan; wrap outside with foil (to avoid leakage). Set aside on baking sheet.
Step 2 Melt butter in medium saucepan. Add sugar, water and cinnamon. Cook over medium-low heat, stirring until sugar dissolves, about 3 minutes. Stir in cranberries. Pour into pan and spread evenly. Set aside.