
These modern Korean-inspired sandwiches transform traditional bo ssam into a fresh, handheld meal. The tender braised beef paired with crisp pickled vegetables creates an irresistible combination of textures and authentic Asian flavors.
This recipe was developed as a creative way to use leftover braised beef. It has since become a summer dinner staple, loved for its refreshing taste and satisfying combination of ingredients.
Key Ingredients
- 3 radishes: Choose firm, fresh ones for maximum crunch
- 3 Persian cucumbers: Small and crisp varieties work best
- 1 red onion: Adds color and mild sweetness
- 45ml rice vinegar: Provides essential gentle acidity
- 15ml sugar: Balances the vinegar's tang
- 90ml mayonnaise: Creates a creamy sauce base
- 15ml sesame oil: Adds authentic Asian flavor
- 8 brioche hot dog buns: Soft texture complements the filling
- Curly lettuce: Adds freshness and crunch
- 500ml Korean-style braised beef: The flavorful heart of the sandwich
- Toasted sesame seeds: For garnish and texture
Preparation Steps
- 1. Pickle the Vegetables
- - Slice vegetables thinly using a mandoline
- Combine with vinegar and sugar
- Let marinate exactly 10 minutes
- Drain thoroughly - 2. Make the Sauce
- - Mix mayonnaise with sesame oil
- Season with salt to taste
- Chill until needed - 3. Assemble Sandwiches
- - Warm the buns gently
- Spread generously with sauce
- Layer with lettuce leaves
- Add warm braised beef
- Top with pickled vegetables
- Sprinkle with sesame seeds
The quick-pickled vegetables are crucial - they transform simple raw vegetables into a flavorful, aromatic garnish.

Storage and Prep Tips
Keep components separate until serving time to maintain optimal freshness and texture.
This fusion recipe offers a modern take on traditional bo ssam, perfectly balancing authentic Korean flavors with convenient sandwich preparation.
Recipe Tips & Tricks
- → Can I prepare the pickled veggies in advance?
- Absolutely! You can make them up to a day ahead. Store them in the fridge, and they'll taste even better.
- → What kind of braised beef works best?
- Go for Korean-style braised beef like bulgogi, but any tender, slow-cooked beef will do.
- → Is there a mayo substitute?
- Definitely! Swap it out for a yogurt-based sauce or a plant-based alternative for a lighter option.
- → How can I heat up the beef without drying it out?
- Heat it gently in a pan with some of its juices or in the microwave on medium power.
- → Can I store the sandwiches for later?
- It’s best to assemble and eat them fresh, but you can prep all the components ahead of time.