Place pasta in a layer of a baking dish (10 - 14 cup capacity) and pour chicken broth and milk over the top along with crushed garlic - stir to combine
Chop vegetables and place in a layer on top of the pasta
Cover the baking dish with aluminium foil and bake at 200 C for 20 minutes
Remove from the oven, add tuna, cheese, mayonnaise, chilli flakes and anything else you fancy - think capers, gherkins, olives etc and stir through
Return to the oven and bake for another 20 minutes
Remove from the oven and let stand for 2 - 5 minutes. Enjoy!