Munchy Mummy Dip

1/4 cup mayonnaise
3/4 cup plain low-fat yogurt
2 teaspoons tarragon vinegar
1/2 teaspoon curry powder
1/8 teaspoon thyme
2 teaspoons chili sauce
1 celery stick, chopped

Combine all ingredients and chill for a few hours before serving.

Yields 1 cup.