Knorr Spinach & Greek Yogurt Dip

INGREDIENTS

• 1 box (10 oz.) frozen chopped spinach, cooked, cooled and squeezed dry
• 1 container (16 oz.) nonfat plain Greek yogurt
• 1 cup Hellmann's® or Best Foods® Light Mayonnaise
• 1 package Knorr® Vegetable recipe mix
• 1 can (8 oz.) water chestnuts, drained and chopped (optional)
• 3 green onions, chopped (optional)