Preheat oven to 400 F.
Cut cod fillet into 4 pieces. Place in small baking dish and season with salt and pepper.
In a mixing bowl, combine the mayonnaise, Dijon mustard, lemon juice, and dill. Mix in the breadcrumbs. Evenly divide the topping and press onto each cod fillet.
Bake in the preheated oven for 15 to 20 minutes, or until cod is white and flaky all the way through.
Prepare the salad or fresh veggies.
Warm the dinner rolls.
Serve Crunchy Dijon Cod with side of dinner rolls and veggies or salad.