Remove from heat and stir in maple syrup and vanilla extract. Let cool slightly (the pudding will thicken upon cooling). Stir in berries. Divide the pudding among 4 small bowls. Serve warm or cold.
To make the filling: Combine the cranberries, maple syrup, and water in a medium saucepan ... when you press it with your fingers. Cool the pudding for 5 minutes or so before serving plain ...