Roll-Em-Up Taquitos and COO Sam Fonseca follow a deliberate approach to keeping their menu — and business — simple and successful. In this interview with host Shawn Walchef live at the Toast Spark LA event, Fonseca describes how Roll-Em-Up chooses to focus on delivering the absolute best experience. Listen now to learn about the power of social media, adjusting for customer expectations, and keeping Mama Karen’s legacy alive. Sponsored by Toast: All-In-1 Restaurant POS —