Step 2: 2- Fry the onions, peppers and mushrooms until cooked
Step 3: 3- Grease an shallow oven proof dish and scatter the tuna, onions, pepper, and mushrooms. Also chop the potatoes and add to the mixture
Step 4: 4- Beat 2 eggs together and pour over the tuna mixture
Step 5: 5- Sprinkle some grated cheese on top and put in the oven until eggs are set and cheese is browned
Step 7: Great with salad, or on its own.