CHANGE-YOUR-TUNA-MELT

1/2 cup chopped celery
1 chopped onion
3/4 cup shredded reduced-fat American cheese
3/4 cup reduced-fat cottage cheese
6-oz can tuna, drained & flaked
1/4 cup reduced-fat mayonnaise
1 tbsp lemon juice
3 English muffins, split in half

Cook celery and onion in a nonstick skillet. Add cheeses, tuna, mayonnaise and lemon juice. Cook the mixture long enough to warm it up. Spread 1/6th tuna mixture on each muffin half. Put muffins on a cookie sheet and bake at 350 F for 10 minutes.