Make tender, juicy delicious turkey meatballs in the slow cooker, then layer between your favorite sub rolls with melted mozzarella and rich ricotta for turkey meatball subs.
Combine the turkey, onion, parsley, basil, garlic powder, Italian seasoning, sea salt, black pepper, and oat flour in a large bowl. Mix until thoroughly combined. Form meatballs using a cookie scoop, which should yield 24-32 meatballs.
Add a layer of sauce (about ⅓ of the sauce or 12 ounces) to the bottom of your crockpot. Now add a layer of meatballs, evenly spaced at least an inch apart. Cover the meatballs with ⅓ of sauce (or 12 ounces) and add a second layer of meatballs. Cover those meatballs with sauce.
Place the lid on the slow cooker and cook for 3-4 hours on high or 4-6 on low. Refrain from stirring until meatballs start to set, then you can stir to promote even cooking and satisfy your need to mess with it (I feel you I'm the same way.)Make sure the internal temperature of your meatballs reaches a minimum of 165F.
For Subs
Preheat oven to 400F. Brush all pieces of bread with olive oil. Toast bread at 400F for 3-8 minutes until golden brown. Remove the bread from the oven and add mozzarella to half the pieces of bread. Return the mozzarella bread back to the oven to bake until melted. On the other half of the bread spread the ricotta.
Once the bread is prepped, allow guests to build their own meatball subs by getting meatballs out of the slow cooker to add to their bread and sprinkling with fresh basil. Sandwiches should be piece of bread with ricotta, meatballs, and one piece of bread with melted mozzarella.
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Notes
I haven't tried it, but subbing ground chicken should be no problem.
Use chickpea flour, breadcrumbs, or any other binder in place of oat flour. I haven't tried them, but again, it should work!