1/2 c. plain yogurt
1/2 c. mayonnaise
1 c. diced celery
2 tsp. bacon bits
6 c. popcorn, popped
1/2 c. chopped onion
1/2 c. sliced water chestnuts
1 c. grated Cheddar cheese

Mix all ingredients well. Garnish as desired. This is best if served within three hours of mixing. Serves 4-6.