She is known for starring in the cooking show Too Hot Tamales on the Food Network and opening several influential restaurants in Los Angeles.

After working together in Chicago and Paris, Feniger and her longtime collaborator, Mary Sue Milliken, settled in Los Angeles where they founded City Cafe in 1981.

Broadening their culinary horizons Feniger and her partner opened the Latin flavor restaurant Ciudad (now a Border Grill) in Los Angeles in 1998.

Sample dishes included millet puffs, paani puri, Massaman chicken curry, dumplings, Egyptian-style baked fish and peanut butter cookies for dessert.

In December 2013, Feniger, with Executive Chef and Partner Kajsa Alger, opened Mud Hen Tavern at the former location of Street.

The bar team in partnership with mixology consultant Tricia Carr (formerly Alley), curated a beverage program that offered a vibrant and accessible selection of international wines, local craft beers and artisanal cocktails to complement Mud Hen Tavern's cuisine.

[6] In December 2023, Feniger and Milliken opened the restaurant Alice B in Palm Springs, which has a focus on seasonal bounty, French, and Mediterranean influences.

Prior to the shows on the Food Network, in 1993 Feniger and Milliken appeared with Julia Child in her PBS series Cooking with Master Chefs.

[9] Feniger has also appeared on Sabrina, the Teenage Witch[10] and prepared with Milliken the food that was served in the 2001 movie, Tortilla Soup.