grilled meatloaf sandwiches

Ingredients For grilled meatloaf sandwiches

• "for the meatloaf"
• 1 c

  whole milk
• 3

  potatoe rolls torn
• 1 Tbsp

  fresh chopped rosemary
• 3

  celery stalks chopped
• 2

  carrots chopped
• 1

  white onion chopped
• 1 lb

  ground bison or ground beef
• 1 lb

  lean ground pork
• 1 lb

  ground veal
• 1 c

  grated parmesan
• 1/4 c

  worchestershire sauce
• 3

  eggs lightly beaten
• freshly ground black pepper
• "glaze"
• 1 c

  ketchup
• 1/2 c

  dark brown sugar
• 2 Tbsp

  dijon mustard
• 1 Tbsp

  apple cidar vinegar
• "sandwiches"
• canola oil spray, for spraying meat and rolls
• 12 to 15 onion slider rolls
• 12 to 15 slices cheddar cheese
• 1/2 c

  mayonaise
• 12 to 15 pieces green leaf lettuce
• 12 to 15 thinly sliced pieces red onion
• 12 to 15 slices tomato