Prepare batter from muffin mix according to package directions.
Stir in cranberry sauce and walnuts.
Spoon into 6 greased 6-ounce frozen-juice-concentrate cans.
Bake in moderate oven (375°) about 30 to 35 minutes or till done.
Cool 5 minutes: ease out of cans with spatula (cut end out of can).
Bread slices best the second day.