1 (12-ounce) can albacore tuna in water, drained |
1/3 cup chopped celery |
1/3 cup diced gala apple (about 1 small) |
1/3 cup fat-free mayonnaise |
1/4 cup chopped pecans, toasted |
1/4 teaspoon salt |
1/4 teaspoon black pepper |
4 curly leaf lettuce leaves |
4 gluten-free english muffins, split and toasted |