You will love this sandwich as an appetizer, snack or lunch.
Turn on grill to medium high heat
Split sausage lengthwise and put onto hot grill, grill until cooked through about 7-8 minutes per side
When the sausage is just about done split the rolls in half and put on the grill to warm them up. It just takes a minute to get some nice warm sandwich rolls.
Serve the sausage sandwich with mustard cut each roll in half and serve.