Bake at 425 degrees for 20 minutes until golden brown. In bowl, mix other ingredients. Add cabbage and carrot and mix well. Chill until ready to serve. Use as a dip for fruit.
Open tuna can and drain tuna.
Put tuna in small bowl. Wash and chop celery on cutting board. Add celery and mayonnaise to tuna in bowl. Place 4 slices bread on cutting board. Spread tuna over bread and put another slice of bread on top.