pasta sauce needs pasta
Not necessarily.
It depends upon the sauce. A creamy, cheesy sauce can be served over cauliflower / broccoli. Or you could slice potatoes and pour the sauce over then grill / bake. A tomato based sauce can be served with potato or rice as well as over vegetables. A traditional Maltese dish is baked rice, which is kind of like a bolognaise sauce mixed with rice and baked in the oven.
I have actually used pasta sauces like that before!
Rice pudding Greek style? Is that when you smash the plate afterwards?