Rosanna Jeanne Reardon (born June 8, 1985), known professionally as Rosanna Pansino, is an American YouTuber, actress, author, businesswoman, and singer. She is known for hosting her baking series ''Nerdy Nummies'' on YouTube (2011–present). She has written two cookbooks and released a baking line based on the show. She has won a Shorty Award and five Streamy Award nominations for ''Nerdy Nummies.'' She was listed first on ''Forbes'' ''Top Influencers: Food'' list in 2017.