• 11 ounces canned water-packed albacore tuna
• 1 tsp. dehydrated onion
• 2 ounces celery, chopped
• 1 ounce sweet pickle relish
• 1/2 tsp. dry mustard
• 3 ounces reduced fat mayonnaise
• 8 slices whole grain bread

Combine all ingredients in a small bowl. Season with salt and pepper to taste. Divide mixture between half the bread slices. Top with remaining slices of bread.