Tuna Melts

Directions

1. 1
   Preheat oven to 350 degrees F (175 degrees C).
2. 2
   In a mixing bowl, combine sweet onion, drained tuna, mozzarella, and mayonnaise. Mix thoroughly.
3. 3
   Spread tuna mixture on slices of French bread to form a sandwich. Place sandwiches on a cookie sheet.
4. 4
   Bake in a preheated oven for 10 minutes.