01 -
Preheat the oven to 425°F with a rack in the center position.
02 -
Place the bell peppers and onion on a large rimmed sheet pan. Drizzle with olive oil, sprinkle with salt and toss to coat.
03 -
Nestle the sausages in between the vegetable and roast until warmed through (or fully cooked, if using raw sausage links), about 30 minutes.
04 -
Meanwhile, in a small bowl, combine the mayonnaise, mustard, honey, and soy sauce.
05 -
To assemble, add the sausages to the hoagie rolls, top with veggies, and drizzle with honey mustard sauce. Serve warm.