Argentina is heavily influenced by Spanish cuisine. It’s common to find the tortilla, a potato, onion, and egg Spanish omelette, at most every bodegón (Argentine cantina). Even though Francis has made many tortillas in his life, he says he only understood the true technique of the tortilla a few years ago when he observed a Spanish lady making it. Now, he shares this favorite tortilla recipe with you. While it’s possible to use any onions available, Francis’s secret is combining three types of onions. He also shares his tips on how to flip it and cook it to perfection.