Break it into chunks. Think: “QUE” (like the Spanish “what”), then “SA” (like “saw”), then “DILLA” (like the herb dill + the letter A). Ques-a-dilla. Easy.
Or, just pretend it’s a song. Sing it: “Ques-a-dilla! Ques-a-dilla!” You’ll look weird in public. But you’ll never forget the double L.
The secret weapon? Order one at a restaurant. Watch them write it on the ticket. Then copy that spelling. It’s called “learning by deliciousness.”