1/2 finely minced or crushed clove of garlic. (Crush the garlic with the side of the knife, add a bit of salt, and mound and crush over and over with the knife till it becomes a paste.)
3 Tablespoons of extra virgin olive oil
1 Tablespoon of white wine vinegar. Red will do.
3 Tablespoons of tomato sauce or puree
1 Tablespoon of sugar
dash of onion powder or a Tablespoon of finely minced onion
Put all ingredients into a jar or Tupperware container with plenty of room to spare.
Shake vigorously till emulsified.