Chop up your veg roughly. put it in an oven dish, add a wee bit of vegetable oil, and slosh it about till everything’s covered. Shove it in the oven at an intermediate temperature until they’re all nice and soft (shalots and onions will prob take longest).
Shove the pasta in a pan of hot water, stirring continuously until cooked through (or it’ll stick to the pan horribly).
Strain your pasta, mix in your pasta sauce (the heat from the pasta will heat it up) and your roasted vegetables, and you’re done, a nice, healthy meal.