Tex Mex Quinoa Salad with Lime Vinaigrette

uncooked quinoa, rinsed

salt

water

of a medium-sized red onion, chopped

black beans, drained and rinsed

cooked fresh corn (you can boil it, grill it, however you want)

grape tomatoes, sliced

of a jalapeño pepper, seeded and finely chopped (optional)

avocado, pitted and diced

fresh chopped cilantro

salt

fresh lime juice (add more if needed)

olive oil