Sprayed or buttered a 8x8x2 25 in 2 Q baking dish.

Thinly slice 1 slice of cheese, set a side.

Spread half of the bread into the baking dish. Top with the cooked fussili then followed by 4 slices of the cheese then sprinkle the drained flaked tuna over the cheese layer.

Layer with the other half of bread cubes and the sliced 1 cheese.

In a bowl, combine milk, eggs, red ground pepper, salt, and onion; pour over cheese and tuna mixture.

Bake at 325F for 45 to 50 minutes until firm.