2Whisk the first sauce mixture (ketchup, yellow mustard, dill pickle juice, Worcestershire sauce, brown sugar, onion powder, garlic powder, and smoked paprika) in a bowl and pour over the meatballs.
3Give the meatballs a rough mix and cook on high.
4Whisk the second sauce mixture (mayo, yellow mustard, sweet pickle relish, dill pickle juice, white vinegar, paprika, onion powder, garlic powder) in a separate bowl.
5With 20 minutes remaining, set the crockpot to low, add half of the mayo-based sauce, diced dill pickles, and shredded cheddar cheese.
6Give the meatballs a good mix and keep covered on warm for the remaining time.
7Plate the meatballs and garnish with shredded lettuce, diced pickles, and the remaining mayo-based sauce.