Dad'S Salad Dressing - cooking recipe

Ingredients

1 small onion, cut up
1 c. mayonnaise or salad dressing
1/3 c. salad oil
1/4 c. catsup
2 Tbsp. sugar
2 Tbsp. vinegar
1 tsp. prepared mustard
1/2 tsp. salt
1/2 tsp. paprika
1/4 tsp. celery seed
dash of pepper
1 c. (4 oz.) crumbled Blue cheese

Preparation

Put all ingredients, except cheese, in blender.
Blend until smooth.
Stir in Blue cheese.
Cover and chill.
Makes 2 1/2 cups.