ASP.NET MVC 4 is the latest version of Microsoft's Model-View-Controller (MVC) framework for the web. The MVC pattern is not specific to this framework. It was first introduced as a feature of the Smalltalk language in the 1970s and has seen much success in client/server, desktop, mobile, and web development. It is a software design pattern that helps to enforce a separation of concerns between data and the interaction with data.

In this chapter, we are going to examine the MVC pattern and how it is implemented within the ASP.NET MVC framework. We will then begin by applying that knowledge to the BrewHow app. At the end of this chapter, our application will be returning sample recipes to any user making a request.