Pinto Bean, Beet and Bulgur Burgers

Salt and pepper

medium-grind bulgur, rinsed

large beet (9 ounces), peeled and shredded

walnuts

fresh basil leaves

garlic cloves, minced

(15‑ounce) can pinto beans, rinsed

(4‑ounce) jar carrot baby food

whole-grain mustard

panko bread crumbs

vegetable oil