In a sauce pan on medium high heat add Olive Oil, allow to get hot. Add Onion, lightly season with Salt, Pepper, and Garlic Plus, saute for 5 minutes. Add Bell Pepper, lightly season with Salt, Pepper, and Garlic Plus, saute for 5 minutes. Add Celery and saute for 5 minutes.
Add in Beef, Paprika, Chili Powder, Salt, and Pepper, saute for 15 min until browned, while breaking up Beef with wooden spoon. Add in Garlic and saute for 30 seconds, until Garlic becomes fragrant. With a hand blender, blend until fairly fine.
Add Tomatoes, Worcestershire Sauce, Paprika, Sugar, Salt, Pepper, Chili, Vinegar, mix well.
Simmer for another 40 min until liquid reduced, and Hamburger is thick enough to stand on spoon.
Add Cornstarch, mix well.