Tuna Cheese Burgers - cooking recipe

Ingredients

1 (6 1/2 oz.) can tuna, drained
1 Tbsp. onion, chopped
1 c. cheese, grated
2 Tbsp. green olives, chopped
2 Tbsp. mayo
4 hamburger buns
mustard

Preparation

Mix the first 5 ingredients together.
Spread mustard on buns. Spread mix on buns.
Wrap in foil.
Bake at 350\u00b0 for 20 minutes.