What is mastercheef pwned yew?

"Masterchef pwned yew" appears to be a playful or humorous phrase, possibly referencing someone being outperformed or "owned" in a cooking competition or challenge, similar to how "pwned" is used in gaming contexts. It likely combines elements of the popular cooking show "MasterChef" with internet slang. The phrase could imply that a contestant or judge has decisively showcased their culinary skills, leaving others impressed or defeated.