15-Minute Spicy Corn and Long Bean Stir-Fry

A vibrant Southeast Asian-inspired stir-fry that balances crisp-tender long beans, sweet corn, and earthy mushrooms with a complex sauce of ketjap manis, oyster sauce, and gochujang. The dish showcases the wok technique at its best: high heat, rapid movement, and layered cooking that keeps vegetables textured rather than soft. Key flavors are savory-sweet from the Indonesian and Korean condiments, bright heat from jalapenos or Thai chiles, and aromatic warmth from fresh ginger and sesame oil. This is a weeknight staple for home cooks seeking restaurant-quality depth without fussy technique. Serve over steamed or fried rice as a vegetable-forward main or vibrant side. What sets this version apart is the triple-sauce approach—combining three distinct umami sources creates complexity that transcends simple soy-based stir-fries, while the emphasis on vegetable texture over doneness respects each ingredient's role.
Ingredients
- 5 ounces green string beans (Chinese long beans), trimmed to about 3-inch lengthsgreen beans1:1vegetable
different texture, milder flavor, shorter cooking time
- 1 medium onion, chopped
- 1 carrot, chopped
- ½ cup bamboo shoots, cut into matchstickswater chestnuts1:1vegetable
crunchier, less earthy
- 8 ounces mushrooms, fresh, chopped
- 1 15 oz can corn (baby), drained, quartered lengthwise
- 2 cloves garlic, chopped
- 1 jalapeno peppers (or fresh serrano peppers or hot Thai chiles), sliced(optional)
- 1 tablespoons oil, peanut oil or wok oil
- 2 tablespoons ketjap manissoy sauce plus brown sugar2tbsp soy + 0.5tbsp brown sugarcondimentadds glutenadds soy
less complex sweetness
- 1 tablespoon oyster sauce
- 1 tablespoon hot sauce, hot pepper paste, gochujang, Korean hot pepper paste
- 1 teaspoon sesame oil, hot
- 2 teaspoons gingerroot, fresh, grated
Instructions
- 1
Stir together sauce ingredients and set aside.
- 2
Heat oil in a wok over high heat.
- 3
Add onion, garlic, jalapeno, and carrots. Stir-fry until onion begins to soften.
- 4
Add long beans and mushrooms. Stir-fry until mushrooms brown and lose their steam and beans reach crisp-tender stage.
- 5
Add bamboo shoots and corn. Continue cooking until steam dissipates.
- 6
Mix in sauce and cook until sauce thickens and reduces.
- 7
Serve with rice or fried rice.
Tips
Do not overcrowd the wok and do not stir constantly—let vegetables char lightly between stirs to build flavor and texture. High, steady heat matters more than agitation.
Add vegetables in stages by their cooking time: aromatics first, then dense vegetables (beans, mushrooms), then fast-cooking ones (corn, bamboo shoots). This prevents mushy results.
Ketjap manis is sweet and thick; if unavailable, substitute soy sauce plus a touch of brown sugar, but know the sauce will taste different. Gochujang brings fermented depth that hot sauce alone cannot replicate.
Good to Know
Refrigerate leftovers in an airtight container up to 3 days. Reheat gently in a wok or skillet over medium-high heat with a splash of water to restore sauce consistency. Do not freeze; sauce and vegetable texture degrade.
Prep all vegetables and combine sauce up to 4 hours ahead. Store separately in the fridge. Cook only when ready to eat to preserve texture and prevent sogginess.
Serve immediately over steamed white rice, jasmine rice, or warm fried rice. Offer lime wedges and additional hot sauce on the side. Pairs well with a light lager or jasmine tea.
Common Mistakes
Do not add sauce too early to avoid vegetables steaming instead of searing. Add it in the final stage so it coats and clings rather than braising the vegetables.
Do not cut vegetables to wildly different sizes to prevent uneven cooking and mushy pieces alongside raw ones.
Do not use low heat hoping to cook longer—wok stir-fries depend on high heat to develop color and flavor quickly while locking in crunch.
Substitutions
Nut-Free Alternatives
General Alternatives
crunchier, less earthy
less complex sweetness
FAQ
Can I make this ahead and reheat it?
Prep ingredients up to 4 hours ahead, but cook only when serving. Reheating wok food releases moisture and softens texture. If you must reheat, do so briefly over high heat with minimal added liquid.
What if I don't have ketjap manis or gochujang?
Ketjap manis can be swapped for soy sauce plus brown sugar, though sweetness will differ. Gochujang's fermented umami is harder to replace; sriracha or sambal oelek work but taste sharper and less complex. Combine both subs for closest result.
Can I freeze this stir-fry?
Not recommended. The sauce will separate, vegetables will turn mushy upon thawing, and the crisp-tender texture that defines the dish will be lost. Eat fresh or refrigerate for 3 days max.