In the heart of La Mesa, a burger revolution quietly took place when Frank Schulz brought a taste of Oklahoma to Southern California. 🍔
Duke’s Old Fashioned Onion Burgers delivers a unique burger experience that transforms the humble hamburger into something extraordinary through a simple yet brilliant technique—cooking thinly sliced onions directly into the patty.
How they won La Mesa/San Diego hearts
Frank Schulz, a San Diego native who spent 34 years in Oklahoma, returned home with a mission to introduce his beloved onion burgers to his hometown.
He started with pop-up restaurants to test the waters and discovered that locals immediately fell in love with this Depression-era creation. 🧅
The restaurant’s commitment to freshness captivated La Mesa residents from day one—Duke’s uses only fresh Angus beef shipped from Tennessee and makes nearly everything in-house, including their zingy pickles that add the perfect punch to each bite…