Heat oven to 400°F. Lightly grease or line muffin pan with paper baking cups.
Stir together water, oil, eggs, chocolate chips and Krusteaz Banana Nut Muffin Mix until moistened. Fill muffin cups 2/3 full.
Bake 16-18 minutes or until golden brown. Cool 5 minutes; gently loosen and remove from pan. Store cooled muffins in tightly covered container.