Roasted Vegetable Pasta Salad (Vegan!)

red bell pepper (, sliced and seeds removed)

brussels sprouts (, sliced in half)

red onion (, sliced)

extra virgin olive oil ((divided))

fusili pasta ((I use brown rice pasta to keep it gluten-free))

red wine vinegar

tahini ((raw, if possible))

garlic (, minced)

dried basil

fine sea salt

freshly ground black pepper

cooked chickpeas ((or 1 15-oz. can, rinsed and drained))