Top Chef: Colorado is the fifteenth season of the American reality television series Top Chef. Initial details about the season and its cast were revealed on October 12, 2017. The show was filmed in various cities across Colorado, including Denver, Boulder, Telluride, and Aspen. The season premiered on December 7, 2017, and concluded on March 8, 2018. Last Chance Kitchen premiered on November 30, 2017. In the season finale, Joseph Flamm was declared the Top Chef, defeating Adrienne Cheatham. Fatima Ali was voted Fan Favorite.

Based on this passage, who won the last season of top chef? Let's think fast. Stream of consciousness:
To answer the question, consider the following: In the season finale, Joseph Flamm was declared the Top Chef, defeating Adrienne Cheatham. So the final answer is Joseph Flamm.