At the stove
Make the recipe
- Finely chop the onion.
- Heat oil in a saucepan.
- Cook onion until soft.
- Add tomato sauce and water.
- Stir in lemon juice, Worcestershire, and mustard.
- Season with salt and pepper.
- Simmer 20 minutes, stirring occasionally.
- Use as a marinade or basting sauce and serve.



