Downey is a special city in the history of American food culture. The world's first Taco Bell opened in Downey in 1962.

Founder Glen Bell was inspired by the McDonald brothers in nearby San Bernardino to fast-food-ify Mexican cuisine, which marked the beginning of Taco Bell. While there are now thousands of locations worldwide, its roots are in Downey. Additionally, the oldest existing McDonald's in the world (10207 Lakewood Blvd, opened in 1953) is also located in Downey. Thus, two chapters of American fast food history are encapsulated in Downey.

In terms of agriculture, Downey was once an agricultural area. In the early 20th century, it was known for dairy farming and vegetable farms, and even today, the southeastern part of LA County still has plant nurseries and local farms. At the Downey Farmers Market, local producers sell fresh vegetables, fruits, herbs, eggs, honey, and more. Depending on the season, strawberries (spring), tomatoes (summer), and citrus fruits (winter) are abundant.

Downey's food culture is heavily influenced by Hispanic traditions. With over 75% of the population being Hispanic, Mexican and Latin food culture is deeply embedded throughout the city. Foods like tacos, burritos, tamales, and pozole are sold at taquerias and restaurants all over Downey. In the 90s, Mexican food was considered exotic, but now it has become one of America's representative cuisines. Experiencing authentic Mexican food in Downey is a true local food experience.

Porto's Bakery is another symbol of Downey's food culture. Founded by a Cuban immigrant family, the Downey location at The Promenade at Downey is a popular spot where Southern California residents line up. Signature items include cheese rolls, guava cheese pastelitos, various cakes, and Cuban sandwiches. The prices are very reasonable for a bakery, making it a common choice for Korean families to purchase cakes for parties or gatherings.

Donut culture is also a part of everyday food in Downey. There are donut shops everywhere, which connects to the history of Cambodian immigrants who have operated many of the donut shops in Southern California. The culture of buying a bag of donuts for a cheap and convenient breakfast is alive and well in Downey.

Korean food culture is maintained through nearby Korean markets and restaurants. Dishes like sundubu, galbi, and tteokbokki offered by Korean restaurants in Downey are everyday foods for Korean immigrants and provide a sense of nostalgia.