Melt 1 1/2 tablespoons butter in large skillet over medium-high heat. Add apples and salt; cook, stirring occasionally, until softened and browned, 7 to 9 minutes. Stir in cider and cranberries; cook until liquid has almost evaporated, 6 to 8 minutes. Stir in maple syrup and cook until thickened, 4 to 5 minutes. Add vanilla, lemon juice, and remaining butter; whisk until sauce is smooth. Serve with toasted nuts.

Serves 4 to 6