Preheat oven to 450 degrees F.
In a large saute pan over medium-high heat, cook sausages until all sides are brown. Slice lengthwise.
Slice bread lengthwise and spread bottoms with hazelnut chocolate spread. Store the remaining chocolate hazelnut spread in a cool dry place.
Place sausages on hazelnut chocolate spread. Bake sandwich in oven until bread is lightly toasted.