1 can (6 oz.) tuna, drained
1/2 cup chopped apple
1/4 cup nonfat plain yogurt or mayonnaise
1 tablespoon chopped green onion
1 teaspoon dijon mustard
1/2 teaspoon curry powder (optional)
4 slice bread, toasted
4 tablespoon diamond walnuts, toasted
4 oz. cheddar cheese, sliced

Combine first six ingredients. Spread about 1/2 cup tuna mixture on each slice of bread; sprinkle with 1 tablespoon toasted walnuts. Top with cheese slices. Broil 5 inches from heat.

Makes 4 open-faced sandwiches.