Creamy White Bean Pasta with Spring Vegetables and Basil

uncooked pasta ((if you like your pasta saucy, use 10 oz. or less) (I use whole wheat bowties))

sugar snap peas (trimmed)

asparagus (trimmed and cut into 2-inch segments)

and 1/2 tbsp olive oil (divided)

shallots (thinly sliced)

garlic (thinly sliced)

and 1/2 cups cooked white beans ((equal to 1 standard can))

nutritional yeast ((optional))

plain, unsweetened non-dairy milk ((I recommend soy or almond))

freshly-squeezed lemon juice

salt (plus more to taste)

ground black pepper (to taste)

hemp parmesan ((optional, for serving))

loosely-packed fresh basil (thinly sliced)