Combine 1 T. water, salt and baking soda. Add beef and toss to coat.
Cook onion and ⅛ t. baking soda in skillet over medium heat 3-4 minutes.
Add garlic and cook 30 seconds. Stir in sugar, paprika, red pepper and ⅛ t. salt.
Add tomato paste cook 3-4 minutes.
Add beef and cook until no longer pink.
Stir in ketchup, vinegar and Worcestershire.
Combine cornstarch and 1 T. water. Pour over beef mixture and stir to incorporate.
Cook 1 minute until sauce thickens. Season with extra sugar, salt and vinegar to taste.
Spoon mixture into buns and serve.
