8 lg. carrots, scraped & sliced
1 med. onion, chopped fine
1 c. celery, chopped fine
1 tbsp. prepared mustard
1/2 c. mayonnaise

Cook carrots in salted water until tender. Drain, mash and add other ingredients. Mix well. Place in 1 1/2 quart casserole. Bake at 350 degrees for 30 to 35 minutes or until brown on top.