Orange County is home to a wide variety of foods inspired by various cultures. Vegetarian fare and wine tasting are very popular throughout the area. Top-rated restaurants include Ambrosia, Anaheim White House, Mastro's Steakhouse, Renaissance Bistro, and Ramos House Cafe. The OC is also home to a variety of all-American and Mexican-inspired fast food and casual dining, one of the most notorious being California's own In-N-Out Burger.

In-N-Out Burger was opened in 1948, and has been rated as one of the top fast food restaurants in terms of customer satisfaction. They have a strong customer base and are often considered a must-visit for California tourists. In-N-Out Burger can now be found in Arizona, Nevada, and Utah, but was originally founded in Irvine, California.