I’ll be honest—I thought vegetable stir-fries were boring until I discovered this incredible Pad Phak Ruam at a hole-in-the-wall Thai restaurant. This Thai mixed vegetable stir-fry has become my go-to when I want something healthy but incredibly flavorful because it’s so much more exciting than regular veggie dishes. Now my family actually requests this vegetable tofu stir-fry when they want something nutritious, and I’m pretty sure my friends think I’m some kind of Thai cooking expert (if only they knew how simple this authentic Thai stir-fry really is with just fresh vegetables and the right sauce combination).
Here’s the Thing About This Recipe
The secret to authentic Pad Phak Ruam is cooking everything at high heat in the proper sequence and using the right combination of sauces that create that distinctive Thai flavor profile. What makes this Thai vegetable dish work is the balance of salty soy sauce, rich oyster sauce, and aromatic sesame oil that transforms ordinary vegetables into something extraordinary. I learned the hard way that the vegetables need to maintain their crunch—overcook them and you lose that satisfying texture that makes Thai stir-fries special. Around here, we’ve figured out that preparing all ingredients beforehand is crucial because once you start cooking, everything happens fast. It’s honestly that simple—high heat plus proper timing plus authentic sauces equals restaurant-quality results.
What You’ll Need (And My Shopping Tips)
Fresh vegetables are absolutely crucial here—look for bright, crisp vegetables without any wilting or soft spots (I learned this after making disappointing stir-fry with sad, limp vegetables). Don’t cheap out on vegetables that have been sitting around; fresh, vibrant vegetables are what make this dish shine.
Quality tofu creates the protein foundation we’re after. I use extra-firm tofu that holds its shape during high-heat cooking—silken tofu will fall apart and create a mess (shocking how much difference the right tofu texture makes in stir-fries).
Good oyster sauce is essential for authentic Thai flavor—look for brands without high fructose corn syrup for cleaner taste. The oyster sauce adds that distinctive umami depth that makes Thai food so addictive.
Fresh ginger and garlic create the aromatic base that makes your kitchen smell like a Thai restaurant. Don’t substitute powdered versions—fresh aromatics are what separate good stir-fry from great stir-fry (happens more than I’d like to admit that I’ve tried shortcuts and regretted the flat flavor).
Quality sesame oil adds that nutty finish that ties everything together. A little goes a long way—this is a finishing oil, not a cooking oil.
Good cornstarch helps thicken the sauce and gives it that glossy finish you see in restaurant stir-fries.
For authentic Thai cooking techniques, check out this comprehensive guide to Thai cuisine that explains traditional wok cooking methods and flavor combinations.
Let’s Make This Together (Step by Step)
Start by making the sauce—mix soy sauce, oyster sauce, sesame oil, and cornstarch in a small bowl until smooth. Here’s where I used to mess up: I’d skip this prep step and try to mix the sauce while cooking, creating uneven flavor distribution.
Heat vegetable oil in a wok or large skillet over high heat until it’s shimmering but not smoking. The high heat is crucial for that authentic wok hei (breath of the wok) flavor that makes restaurant stir-fries so special.
Add minced garlic and grated ginger, stir-frying for just 30 seconds until fragrant but not brown. This creates your aromatic foundation that will infuse the entire dish.
Toss in the cubed tofu and cook until lightly browned on all sides—about 3-4 minutes. Don’t move it around too much initially; let it develop a nice golden crust that adds texture contrast.
Add the vegetables in order of cooking time: broccoli first (needs longest), then bell pepper, snow peas, carrots, and mushrooms. Stir-fry for 3-4 minutes, keeping everything moving to ensure even cooking.
Here’s my secret: the vegetables should be tender-crisp, not soft. They’ll continue cooking slightly after you add the sauce, so don’t overdo this step.
Pour the prepared sauce over the vegetables and tofu, stirring constantly for about 2 minutes until everything is coated and the sauce has thickened slightly. The cornstarch will help create that glossy, restaurant-style finish.
Sprinkle with chopped green onions and give everything a final quick toss. Serve immediately over steaming jasmine rice while everything is hot and perfectly textured.
For another delicious Thai vegetable dish, try this Thai Basil Eggplant that uses similar high-heat techniques with different vegetables.
When Things Go Sideways (And They Will)
Vegetables turned out mushy instead of crisp? That usually means the heat was too low or you cooked them too long. Don’t panic—they still taste great, just have different texture. This Pad Phak Ruam is totally forgiving with practice.
Tofu fell apart during cooking? In reality, I’ve learned this happens when you use the wrong type of tofu or move it around too much. If this happens, it still adds protein and flavor—just looks more rustic.
Sauce too thick or too thin? That’s easily adjustable—add a splash of water to thin it out, or cook longer to reduce and thicken. The beauty of stir-fry is how adaptable it is.
When I’m Feeling Creative
When I’m feeling fancy, I’ll add some fresh Thai basil leaves at the very end—creates the most authentic Thai flavor that serious Thai food lovers appreciate. Sometimes I include some cashews or peanuts for extra crunch, though that’s totally optional.
My spicy version gets some sliced Thai chilies or red pepper flakes mixed in with the garlic and ginger. Around the holidays, I’ll make Colorful Veggie Stir-Fry by adding red cabbage and yellow bell peppers for festive presentation. The Protein-Packed Version includes some cooked shrimp or chicken along with the tofu. For Extra Umami Style, I add a splash of fish sauce to the sauce mixture for deeper flavor.
What Makes This Recipe Special
This Pad Phak Ruam works so beautifully because it follows authentic Thai technique where high heat and proper timing preserve vegetable textures while the sauce combination creates that complex, satisfying flavor that makes vegetables actually crave-worthy. The technique transforms ordinary vegetables into something special.
What sets this apart from regular vegetable stir-fries is that authentic Thai flavor profile and the way each vegetable maintains its individual character while being unified by the sauce. It’s healthy eating that doesn’t taste like health food. For more about Thai vegetarian cuisine and how traditional cooking creates such satisfying plant-based dishes.
Questions I Always Get
Can I use different vegetables in this Thai mixed vegetable stir-fry?
Absolutely! The technique works with almost any firm vegetables. Just adjust cooking times—harder vegetables go in first, delicate ones last.
What if I don’t have a wok for this authentic Thai stir-fry?
A large skillet works fine, though a wok distributes heat more evenly. The key is high heat and quick cooking regardless of the pan.
Can I make this vegetable tofu stir-fry gluten-free?
Yes! Just use tamari instead of soy sauce and check that your oyster sauce is gluten-free. Many brands now offer gluten-free versions.
How do I prevent the tofu from sticking in this Thai dish?
Make sure your pan is hot and well-oiled before adding tofu. Don’t move it around too much initially—let it develop a crust first.
Can I make this Thai vegetable dish ahead of time?
Stir-fries are best served immediately for optimal texture. You can prep all ingredients ahead, but cook just before serving.
What’s the best way to serve this Pad Phak Ruam?
Over steamed jasmine rice for authentic Thai presentation. The rice soaks up the delicious sauce and makes it a complete meal.
Before You Head to the Kitchen
I couldn’t resist sharing this Pad Phak Ruam because it proves that vegetable dishes can be just as exciting and satisfying as any meat-based meal when you use authentic techniques and proper flavor combinations. The best Thai stir-fry moments are when you realize you’re eating something this healthy and delicious while satisfying those Thai food cravings completely. Trust me, once you experience how high-heat cooking and traditional Thai sauces can transform ordinary vegetables into something this special, you’ll understand why Thai cuisine is so beloved for making vegetables irresistible.
Print
Pad Phak Ruam (Mixed Vegetable Stir-Fry)
Description
Fresh, flavorful, and incredibly satisfying—this authentic Pad Phak Ruam proves that Thai vegetable dishes can be just as exciting as any restaurant meal when you use proper technique and traditional flavors.
Prep Time: 20 minutes | Cook Time: 8 minutes | Total Time: 28 minutes | Servings: 4

Ingredients
- 8 ounces extra-firm tofu, cubed (holds shape during high-heat cooking)
- 1 broccoli head, cut into florets (bright green for best color)
- 1 red bell pepper, julienned (adds sweetness and color)
- 1 cup snow peas (tender-crisp texture when cooked properly)
- 1 carrot, sliced thinly (cut on diagonal for elegant presentation)
- 1 cup mushrooms, sliced (button or shiitake both work well)
- 2 cloves garlic, minced (fresh garlic is essential)
- 1 tablespoon ginger, grated (adds aromatic warmth)
- 3 tablespoons soy sauce (low-sodium for better control)
- 2 tablespoons oyster sauce (creates authentic Thai umami)
- 1 tablespoon sesame oil (finishing oil for nutty flavor)
- 1 teaspoon cornstarch (thickens sauce and adds gloss)
- 2 green onions, chopped (adds fresh bite and color)
- 1 tablespoon vegetable oil (for high-heat cooking)
- Cooked jasmine rice, to serve (traditional Thai accompaniment)
Instructions
- In small bowl, mix soy sauce, oyster sauce, sesame oil, and cornstarch until smooth—prepare sauce before cooking starts.
- Heat vegetable oil in wok or large skillet over high heat until shimmering—high heat is crucial for authentic wok hei.
- Add minced garlic and grated ginger, stir-fry 30 seconds until fragrant but not brown—creates aromatic foundation.
- Toss in cubed tofu and cook until lightly browned on all sides, about 3-4 minutes—don’t move too much initially.
- Add vegetables in cooking order: broccoli first, then bell pepper, snow peas, carrots, and mushrooms. Stir-fry 3-4 minutes keeping everything moving.
- Pour prepared sauce over vegetables and tofu, stirring constantly 2 minutes until coated and sauce thickens slightly.
- Sprinkle with chopped green onions and give final quick toss—serve immediately over steaming jasmine rice.
Nutrition Information (Per Serving):
- Calories: 185
- Carbohydrates: 18g
- Protein: 12g
- Fat: 8g
- Fiber: 5g
- Sodium: 780mg
- Complete protein: From tofu for muscle health
- Vitamin C: 120% DV from colorful vegetables
- Vitamin A: 85% DV from carrots and peppers
- Iron: 15% DV from tofu and vegetables
This nutritious dish provides plant-based protein and abundant vitamins while being naturally cholesterol-free.
Notes:
- High heat and quick cooking preserve vegetable textures
- Prepare all ingredients before starting—cooking happens fast
- Don’t overcook vegetables—they should remain crisp-tender
- Serve immediately for best texture and temperature
Storage Tips:
- Best served fresh for optimal texture and flavor
- Leftovers keep 2 days refrigerated but vegetables soften
- Reheat gently in skillet rather than microwave
- Can prep ingredients day ahead and stir-fry when ready
Serving Suggestions:
- Over jasmine rice for authentic Thai presentation
- With brown rice for extra fiber and nutrition
- As side dish with other Thai mains for complete meal
- For meal prep when portioned with rice for easy lunches
Mix It Up (Recipe Variations):
Thai Basil Veggie Stir-Fry: Add fresh Thai basil at the end for authentic herb flavor Spicy Pad Phak Ruam: Include Thai chilies or red pepper flakes with garlic Cashew Vegetable Stir-Fry: Add roasted cashews for extra crunch and richness Protein-Loaded Version: Include cooked shrimp or chicken with the tofu Rainbow Veggie Style: Add purple cabbage and yellow peppers for more color
What Makes This Recipe Special:
Authentic Thai high-heat technique preserves individual vegetable textures while the traditional sauce combination creates complex umami flavors that make vegetables truly crave-worthy. This method proves that proper technique and quality ingredients can transform simple vegetables into restaurant-quality Thai cuisine that’s both healthy and completely satisfying.
