In large Ziploc bag, combine flour, garlic powder, salt, pepper, paprika, and cinnamon. Add in beef chunks and shake until coated.
In large skillet, melt one tablespoon butter over medium heat. Add beef chunks to skillet and sear each side. Complete in two batches if needed to avoid overcrowding your pan.
Remove beef chunks from skillet and place in a crockpot. Add carrots, onions, mushrooms, and celery on top.
Pour red wine into the hot skillet to loosen up all the brown bits.
Stir in tomato paste, coffee, cocoa powder, thyme, rosemary, and beef broth. Bring to a simmer.
Pour sauce from skillet on top of beef and carrots. Add two bay leaves.
Cook on HIGH for 3-4 hours.
In small bowl, combine cornstarch and water. In last thirty minutes, add cornstarch slurry to the sauce to thicken it up.
Serve over rice or mashed potatoes.