Cut 5 cm slice off top of round bread loaf. Remove centre portion, leaving at least 5 cm of bread on the bottom and 3 cm on the sides. Cut remaining bread into cubes. Unwrap spinach; place on plate. Microwave on High 5-8 minutes or till defrosted. Drain spinach, pressing to remove excess moisture. In medium bowl, microwave the cream cheese at 50% (medium) or till softened. Mix in the spinach and remaining ingredients. Spoon spinach mixture into hollowed out bread loaf. Serve dip with reserved bread cubes, carrot and celery sticks. Variation: can add following ingredients Parmesan cheese, cooked crumbled bacon, sliced almonds, chopped hard boiled eggs, shredded carrot or pine nuts.