3/4 cup salad oil
4 Tbsps. vinegar
2 Tbsps. paprika
1 Tbsp. pepper
1/2 Tbsp. salt
6 Tbsps. dry mustard
1 celery heart, finely chopped
4 Tbsps. catsup, if needed to hold together

Mix in blender and chill. Keeps a long time in refrigerator.