Slow Cooker Meatballs with Honey Garlic Seasoning

Ingredients

• 1 cup panko bread crumbs
• 1 bunch flat-leaf parsley, finely chopped (about 1 cup)
• ½ medium onion, coarsely grated
• 2 large eggs, lightly beaten
• 2 tablespoons whole milk
• 2 tablespoons Honey Garlic seasoning
• 1 pound ground pork
• 1 pound ground beef (10 to 20 percent fat)
• ⅓ cup apple cider vinegar
• ¼ cup honey
• ¼ cup ketchup
• 1 tablespoon soy sauce or coconut aminos
• 1 (28-ounce) can crushed tomatoes
• Salt and freshly ground black pepper, as desired