Drain artichoke, rinse and chop them thinly. Combine mayonnaise, artichokes, Parmesan cheese, red pepper and onion. Beat egg whites until stiff, not dry. Fold egg whites into cheese mixture.
Spread mixture on bread. Broil until golden brown on top. Watch carefully to prevent burning.
Please Note: Nutritional values listed may vary from final results depending on actual measurements and brands used to prepare the recipe.