Allow Rhode's White Bread loaf to thaw to room temperature, roll out on cutting boards using a dusting of flour and rolling pin.
When loaf is rolled to about 8x24 inches, spray 1 cup of Marshmallow Fluff all over bread smoothing to edges. Clean off spatula, then add 1 cup of Nutella over top of Marshmallow over bread.
Cut into 2x2 squares, then stack and place into cooking spray coated small loaf pan. Continue stacking bread pieces until bread is all in pan.
Bake at 400 degrees for 25-30 minutes. Allow to cool then serve from pan.