Spinach Salad Dressing - cooking recipe

Ingredients

1 medium onion (red), sliced thin
1/3 c. ketchup
1 c. salad oil
1 Tbsp. Worcestershire sauce
1 tsp. salt
1/2 to 3/4 c. sugar
1/4 c. white vinegar

Preparation

Mix together and store in refrigerator.