Salad Dressing - cooking recipe

Ingredients

3 c. sugar
1 c. vinegar
1 c. salad oil
1 (6 oz.) jar mustard
2 1/2 oz. prepared horseradish
1 medium onion, cut fine
3 Tbsp. ketchup

Preparation

Combine first three ingredients and heat until sugar is dissolved.
Do not boil.
Remove and add the remaining ingredients. Mix thoroughly.
Bottle to store.