Beet, Citrus, & Chicory Salad with Ricotta Salata and Pistachios

minced shallot

fine sea salt

apple cider vinegar

extra-virgin olive oil

medium beets of any color

large oranges, grapefruits, or other citrus fruits

leaves from chicories (endive, escarole, frisee, Treviso, radicchio, or a mix)

toasted pistachios, roughly chopped

ricotta salata, thinly sliced

flaky salt and freshly ground pepper