1 c. mayonnaise or salad dressing
1 sm. onion, cut up
1/3 c. salad oil
1/4 c. catsup
2 tbsp. sugar
2 tbsp. vinegar
1 tsp. prepared mustard
1/2 tsp. paprika
1/4 tsp. celery seed
1 c. crumbled blue cheese

In blender container combine mayonnaise or salad dressing, onion, salad oil, catsup, sugar, vinegar, mustard, paprika, celery seed, 1/2 teaspoon salt and dash of pepper. Cover and blend until smooth. Transfer dressing to storage container; stir in blue cheese. Cover and chill. Makes 2 1/2 cups.