- In a large bowl, whisk the eggs, egg whites, water, milk and oil. Combine the flour, sugar and salt; add to egg mixture and mix well. Refrigerate for 1 hour.
- Heat a lightly greased non-stick pan over medium heat; pour 1/4 cup batter into center of the pan. Lift and tilt pan to coat bottom evenly. Cook until top appears dry; turn and cook 15-20 seconds longer.
- Remove to a plate. Repeat with remaining batter, greasing pan as needed. When cool, stack crepes with waxed paper or paper towels in between.
- In a large pan, melt butter over medium-low heat. Stir in brown sugar until blended. Add bananas; cook for 2-3 minutes or until bananas are glazed and slightly softened, stirring gently. Remove from the heat.
- Spread Nutella over each crepe; top with bananas. Roll up and serve.