There’s a secret sauce simmering in Washington, D.C. Called mumbo sauce or mambo sauce, it’s a sweet-and-sour staple as specific to D.C. 

The recipe is rumored to be:
D.C. Mumbo Sauce

  1. 1/2 cup tomato paste (ketchup works in a pinch)
  2. 1 cup distilled white vinegar.
  3. 1 cup pineapple juice.
  4. 1 cup sugar.
  5. 4 teaspoons soy sauce.
  6. 1 teaspoon powdered ginger.
  7. 1/2 teaspoon hot sauce or more preferably Tabasco.