Graveyard Spinach Dip

INGREDIENTS

• 1 box (10 oz.) frozen chopped spinach, cooked, cooled and squeezed dry
• 1 container (16 oz.) sour cream
• 1 cup Hellmann's® or Best Foods® Real Mayonnaise
• 1 package Knorr® Vegetable recipe mix
• 1/2 cup grated Parmesan cheese
• 1 can (8 oz.) water chestnuts, drained and chopped (optional)
• 3 green onions, chopped (optional)
• 1 loaf (16 oz.) party pumpernickel bread, sliced