Spinach Salad - cooking recipe

Ingredients

1 small onion, finely chopped
1 1/2 c. salad oil (or light olive oil)
1/4 c. sugar
1/3 c. ketchup
2 Tbsp. vinegar
1 Tbsp. Worcestershire sauce

Preparation

Put all ingredients in a blender or food processor and mix. Refrigerate at least 4 hours prior to serving.