INGREDIENTS
•
1 cup whole milk
•
3 potato rolls, torn
•
1 tablespoon chopped fresh rosemary
•
4 celery stalks, chopped
•
2 carrots, chopped
•
1 white onion, chopped
•
1 pound ground bison
•
1 pound lean (90/10) ground pork
•
1 pound ground veal
•
1 cup grated Parmesan cheese
•
1/4 cup Worcestershire
•
3 eggs, lightly beaten
•
Freshly ground black pepper
•
1 cup ketchup
•
1/2 cup dark brown sugar
•
2 tablespoons Dijon mustard
•
1 tablespoon apple cider vinegar
•
Canola oil spray, for spraying meat and rolls
•
12 to 15 onion slider rolls
•
12 to 15 slices Cheddar cheese
•
1/2 cup mayonnaise
•
12 to 15 pieces green leaf lettuce
•
12 to 15 thinly sliced pieces red onion
•
12 to 15 slices tomato