1 Package (10 oz.) frozen chopped spinach, cooked, cooled, and squeezed dry.
1 Container (16 oz.) nonfat, plain Greek yogurt
1 cup light mayonnaise
1 package Knorr Vegetable recipe mix
1 can (8 oz.) water chestnuts, drained and chopped (optional)
Combine all ingredients in a medium bowl. Chill, if desired. Serve with your favorite dippers.