Combine Hellmann's® or Best Foods® Real Mayonnaise with cream cheese in large bowl until smooth. Stir in spinach, artichoke hearts, cheese, onion and cayenne peppers. Turn into bread bowls or 2-quart casserole.
Combine stuffing mix with pecans in medium bowl; evenly sprinkle over dip.
Bake 20 minutes or until lightly golden and heated through. Serve with cubed bread or your favorite dippers.