Tiffany's Salad Dressing

Tiffany is head of a very large family. This dressing is guaranteed to be tasty and easy to make. She usually makes double this quantity and has it in the fridge all the time. Her kids eat pizza, salads, baked potatoes, spring rolls just about anything with it.

Ingredients:
125 vinegar
100 brown sugar
250 olive oil
1/3 fresh onion
loaded t-spoon of coarse mustard

Preparation:
1.) Whizz together and you are done.