
These Korean-inspired beef sandwiches transform traditional bo ssam into a modern, refreshing meal. The combination of tender braised beef and crisp vegetables creates an unforgettable blend of textures and flavors.
This recipe was developed as a creative way to use leftover braised beef. It has since become a summer favorite, loved for its fresh ingredients and bold taste profile.
Essential Ingredients
- 3 radishes: Select firm, fresh ones for maximum crunch
- 3 Persian cucumbers: Choose small, firm varieties
- 1 red onion: Adds color and mild flavor
- 45ml rice vinegar: Provides essential acidity
- 15ml sugar: Balances the vinegar
- 90ml mayonnaise: Creates creamy sauce base
- 15ml sesame oil: Adds authentic Asian flavor
- 8 brioche hot dog buns: Perfect soft texture
- Curly lettuce: Adds fresh crunch
- 500ml Korean-style braised beef: Main flavor component
- Toasted sesame seeds: For garnish and texture
Preparation Steps
- 1. Marinated Vegetables
- - Slice vegetables thinly using mandoline
- Combine with vinegar and sugar mixture
- Marinate exactly 10 minutes
- Drain thoroughly - 2. Sauce Preparation
- - Blend mayonnaise with sesame oil
- Add pinch of salt to taste
- Chill until needed - 3. Sandwich Assembly
- - Warm buns gently
- Spread generous layer of sauce
- Layer with lettuce base
- Top with warm beef
- Add marinated vegetables
- Sprinkle with sesame seeds
The vegetable marinade transforms simple raw vegetables into flavorful sandwich toppings with the perfect balance of tang and crunch.

Storage and Prep Tips
Keep components separate until serving time to maintain optimal freshness and texture.
This fusion recipe offers a perfect balance between traditional Korean flavors and modern sandwich convenience, creating an exciting twist on classic bo ssam.
Frequently Asked Questions
- → Can I prep the pickled veggies in advance?
- Sure, you can make them up to a day ahead. They’ll taste even better. Just keep them in the fridge.
- → What type of beef works best?
- Korean-style braised beef (like bulgogi) is ideal, but any tender braised beef will do the trick.
- → Is there a substitute for the mayo?
- Definitely! You could switch it out for yogurt-based sauce or a plant-based spread if you'd like a lighter option.
- → How can I reheat the beef without drying it out?
- Heat it gently in a pan with some of its cooking juices or pop it in the microwave on medium power.
- → Do these sandwiches store well?
- It's best to enjoy them fresh, but you can prep the components separately and put them together when you're ready to eat.