Preheat the oven to 375 degrees.
Lay crescent rolls out on surface.
Brush each roll with 1/2 tsp of Dijon mustard across the entire surface.
Add a 1 tsp dollop of onion jam to the wide part of the roll.
Place one sausage at the wide part of each roll.
Roll from large to small end and place point down in a greased dish.
Sprinkle cheese over the rolls.
In a separate bowl, mix eggs, milk, and salt/pepper.
Pour egg mixture over the rolls.
Bake for 30-35 minutes.