Perilla cucumber (紫苏黄瓜, zǐ sū huáng guā) is the taste of a Hunan summer — cool cucumber stir-fried with aromatic purple perilla leaves, a hint of garlic, and just a touch of heat. It is light, fragrant, and somehow both cooling and warming at the same time: the cucumber is crisp and refreshing, while the perilla adds a complex herbal aroma that is minty, anise-like, and slightly earthy. The dish comes together in under 15 minutes, making it the perfect quick side dish for a hot summer day when you do not want to spend too long at the stove.
Perilla (紫苏, zǐ sū) is one of the most beloved herbs in Hunan cooking — it appears in everything from stir-fries to fish dishes to pickles. Known as shiso in Japanese cooking, purple perilla is native to China and has been used for both culinary and medicinal purposes for thousands of years. In Hunan, it is especially popular in summer because it is believed to help cool the body and aid digestion. Perilla has a unique flavor that is hard to describe — it is somewhere between mint, basil, and anise, with a hint of cinnamon and licorice. It pairs especially well with cucumber, fish, and seafood. Hunan home cooks grow perilla in pots on their balconies or in small garden plots, plucking fresh leaves to toss into stir-fries at the last minute. The leaves are always added at the end of cooking because their delicate aroma dissipates quickly with heat.
Ingredients
The key to this dish is fresh perilla leaves — they make all the difference. Look for them at Asian grocery stores, farmers markets, or grow your own on a windowsill. Dried perilla can work in a pinch but is not the same.
- Cucumbers — 2 medium cucumbers, about 300 g. Firm, crisp cucumbers work best. Avoid overripe ones with large seeds.
- Fresh perilla leaves — 1 handful, about 20 to 30 leaves. Purple perilla (紫苏) is traditional. Green shiso works too.
- Garlic — 2 cloves, sliced. For aromatic base.
- Dried red chilies — 2 to 3, broken in half. For a gentle heat. Remove seeds if you want it milder.
- Light soy sauce — 1 tablespoon. For seasoning and a hint of umami.
- Salt — to taste. The soy sauce adds saltiness, so go easy.
- Sugar — a pinch. To round out the flavors and bring out the cucumber sweetness.
Step-by-Step Instructions
- Prep the cucumbers and perilla. Wash the cucumbers thoroughly and pat them dry. Cut them in half lengthwise, then slice into half-moon shapes about 5 millimeters thick. Do not slice them too thin — you want them to have some texture and bite after stir-frying. Wash the perilla leaves in a bowl of cold water, swishing them around to dislodge any dirt. Drain and pat dry gently with paper towels or a salad spinner. Tear the leaves into smaller pieces with your hands — tearing rather than cutting preserves more of the perilla aromatic oils and delicate flavor.
- Stir-fry the aromatics. Heat 1 tablespoon of cooking oil in a wok or large frying pan over medium-high heat. When the oil is shimmering, add the sliced garlic and broken dried red chilies. Stir-fry for just 10 to 15 seconds, until you can smell the garlic and the chilies start to darken slightly. Do not let the garlic burn — burnt garlic is bitter and will ruin the dish. Keep the heat at medium-high and be ready to add the cucumbers as soon as you smell the garlic.
- Stir-fry the cucumbers. Add the cucumber slices to the pan all at once. Use a spatula to toss and stir-fry them quickly. Cook for 1 to 2 minutes, stirring constantly. The cucumbers should just start to soften around the edges but still be mostly crisp — they should have a pleasant crunch when you bite into them. Overcooking turns them mushy and watery, which is not what we want. The goal is crisp-tender: cooked enough to absorb flavor but still firm.
- Add the perilla and season. Add all the torn perilla leaves to the pan. Stir and toss for about 30 seconds — the leaves will wilt dramatically and release their aroma. You will immediately smell the distinctive minty-anise fragrance of perilla filling the kitchen. Now add 1 tablespoon of light soy sauce, a pinch of salt, and a pinch of sugar. Stir everything together quickly so the seasoning is evenly distributed. The perilla should be just wilted but still bright — do not cook it to death.
- Serve immediately. Transfer the dish to a plate and serve right away. Perilla cucumber is best eaten hot and fresh — the perilla aroma fades as it cools, and the cucumber gradually loses its crispness. This is a dish you make and eat right away. It is perfect as a light side dish with rice and a main dish, or even as a quick lunch on its own. The combination of crisp cucumber, fragrant perilla, and gentle heat is uniquely refreshing — it tastes like summer in a bowl.
Make the best perilla cucumber stir-fry:
- Use fresh perilla. Fresh perilla leaves are essential for this dish — dried perilla just does not have the same bright aroma. If you cannot find fresh perilla at a store, consider growing it — it grows easily in pots.
- Do not overcook the cucumber. The cucumber should be crisp-tender — cooked just enough to take the raw edge off, but still firm and crunchy. Overcooked cucumber gets mushy and watery.
- Add perilla at the end. Perilla delicate aroma dissipates quickly with heat. Always add it in the last 30 seconds of cooking to preserve maximum fragrance.
- Tear, do not cut. Tearing perilla leaves with your hands rather than cutting them with a knife preserves more of the aromatic oils and gives better flavor. It also looks more rustic and home-style.
Substitutions & Adjustments
Here are some ways to adapt this dish:
- No fresh perilla: If you cannot find fresh perilla, you can use dried perilla leaves, but use about half the amount and add them earlier so they rehydrate. The flavor will not be as bright, but it will still be good.
- Add eggs: For a heartier dish, scramble an egg first, set it aside, then stir-fry the cucumber and perilla, and add the egg back at the end.
- More garlic: Garlic lovers can add an extra clove or two. Garlic and perilla are a fantastic flavor combination.
- Add ground pork: For a meat version, brown some ground pork first, then add cucumber and perilla. It makes a complete one-pan meal.
Nutrition
Estimated values per serving (recipe serves 2). A very light and healthy side dish — low in calories and high in flavor.
| Nutrient | Per serving |
|---|---|
| Calories | 85 kcal |
| Protein | 2 g |
| Total fat | 5 g |
| Saturated fat | 1 g |
| Carbohydrates | 8 g |
| Sodium | 380 mg |
| Sugar | 4 g |
Values are estimates based on standard ingredient databases. Actual nutrition will vary depending on specific ingredients and portion sizes.
Frequently Asked Questions
Related Recipes
If you love perilla cucumber, try these other Hunan vegetable dishes and summer stir-fries.