What are the Top 5 Restaurant Franchises to Get In and Startup

I have enough capital to invest in a food restaurant based franchise. Yes, I want a proven franchise model, not a new idea or concept -- too risky for me. I want to choose a franchise that I can pimp out with the latest cloud based services and workflow to streamline my back office and operational costs. What are the top 5 food franchises to get into and startup.