01 -
Combine onion powder, garlic powder, kosher salt, smoked paprika, cumin, and black pepper in a small bowl.
02 -
Place beef cheeks in a 6-quart slow cooker in layers and sprinkle each one with the seasoning mixture. Don’t pour in any liquid.
03 -
Keep the lid on and let it cook on LOW for 8 hours until the meat is fall-apart tender.
04 -
Stir together the cornstarch and cold water to make a smooth mix. Carefully add it to the juices in the slow cooker.
05 -
Turn the heat to HIGH and leave it covered for another 30 minutes so the sauce thickens up nicely.
06 -
Split the meat onto serving plates and drizzle the sauce over the top.