Crispy Chili Potato in 30 Minutes

Chili potato is that Indo-Chinese side dish you keep reaching for after the first bite: crispy fried potato wedges tossed in a sticky, spicy, tangy sauce with onions and peppers.

This version comes together in about 30 minutes with a simple cornstarch coating that fries up shatteringly crisp, then a quick toss in a garlicky chili sauce. No delivery needed.

What Makes This Chili Potato So Irresistible

The cornstarch coating fries into a brittle shell that holds its crunch even after you toss it in the sauce. You get both big texture and intense flavor in every bite, which is rare in a quick potato dish.

The sauce hits all the right notes: chili paste brings the heat, a little sugar rounds it out, and soy sauce and vinegar keep it from tasting heavy. It is bold but balanced, and it clings to every wedge.

Ingredients

• 2 large russet potatoes (about 1 lb / 450g): cut into ½-inch thick wedges, skins on for extra crispness
• 3 tbsp cornstarch: the secret to that brittle fry shell
• Oil for frying: neutral oil like vegetable or canola
• 1 small red onion: sliced thinly
• ½ green bell pepper: sliced into strips
• 2 cloves garlic: minced finely
• 1 green chili: slit lengthwise, optional for extra heat
• 2 tbsp soy sauce: regular or low-sodium
• 1 tbsp chili sauce: sriracha or schezwan sauce, adjust to your heat tolerance
• 1 tbsp tomato ketchup: adds body and a little sweetness
• 1 tsp white vinegar: for tang
• ½ tsp sugar: balances the salt and spice
• 1 tbsp water: to loosen the sauce
• 1 tbsp chopped spring onions: for garnish

Variations / Substitutions

• Use sweet potatoes: swap in sweet potato wedges; they will be softer inside but still crisp outside with the cornstarch coat.
• Skip the deep frying: bake the coated wedges at 425°F (220°C) for 25 to 30 minutes, flipping halfway, until golden.
• Change the protein: toss fried tofu cubes or paneer in the same sauce for a vegetarian main.
• Add more heat: stir in a teaspoon of chili garlic paste or dried red chilies with the garlic.
• Go gluten-free: use tamari instead of soy sauce and check your chili sauce label.

If you like this, you will definitely enjoy Gobi Manchurian, which does the same crispy-then-saucy trick with cauliflower.

How to Make Chili Potato

Step 1: Coat the Potatoes

Toss the potato wedges with the 3 tbsp cornstarch in a large bowl until every piece is evenly dusted. Let them sit for 5 minutes on a wire rack while you heat the oil. This short rest helps the coating adhere and fry up extra crisp.

Step 2: Fry Until Golden and Crisp

Heat about 1½ inches of oil in a deep pan or wok to 350°F (175°C). If you do not have a thermometer, drop in a small wedge; it should sizzle steadily and rise to the surface within seconds. Fry the wedges in two batches to keep the oil temperature from dropping, cooking each batch for about 6 to 7 minutes until the outsides are deeply golden and the edges look lacy and brittle. Drain on paper towels and sprinkle with a pinch of salt right away.

Step 3: Sauté the Aromatics and Veggies

Pour off most of the oil from the pan, leaving about 1 tablespoon behind. Set it over high heat, and once it shimmers add the sliced onion and bell pepper. Cook for 3 to 4 minutes, stirring often, until the onion is starting to soften and the pepper has a slight char at the edges. The high heat keeps the veggies crisp-tender rather than steamed.

Step 4: Build the Sticky Sauce

Lower the heat to medium, then add the minced garlic and slit green chili. Stir for 30 seconds until the garlic smells nutty. Pour in the 2 tbsp soy sauce, 1 tbsp chili sauce, 1 tbsp ketchup, 1 tsp vinegar, ½ tsp sugar, and 1 tbsp water. Let it bubble for about 2 minutes, stirring, until the sauce thickens slightly and coats the back of a spoon. Taste and add a pinch more sugar if the chili heat is sharp.

Step 5: Toss Everything Together

Tip the fried potato wedges into the pan right off the heat, along with half the chopped spring onions. Gently fold everything together with a spatula until each wedge is glossy with sauce. Scoop onto a plate, scatter the remaining spring onions on top, and serve immediately while the potatoes are still hot and crackling crisp.

A Few Notes Before You Start

• Use a wide pan or wok for frying and saucing so you have room to toss without crushing the crispy coating.
• Cut the potato wedges the same thickness so they finish frying at the same time. A mandoline with a thick-blade setting makes this quick.
• If your chili sauce is very salty, dial the soy sauce back by half a tablespoon and adjust after tasting.

Fry times by potato shape:

Storing Leftover Chili Potato

• Refrigerator: Store any leftovers in an airtight container for up to 2 days. The coating will soften but the flavor stays.
• Reheating: Re-crisp them in an air fryer at 375°F (190°C) for 3 to 4 minutes or in a hot oven for 6 to 8 minutes. Avoid the microwave or they will turn chewy.

What Goes Well With Chili Potato

These spicy, saucy wedges are a classic side for fried rice or hakka noodles, balancing the carbs with a tangy kick. They also make a great snack on their own with a cold beer, especially if you boost the chili heat.

Frequently Asked Questions

Can I use a different potato variety?

Yes, Yukon Golds work well. They have a buttery texture that stays softer inside, so the coating contrast is even more pronounced.

How do I keep the potatoes from getting soggy after saucing?

Do not let the cooked potatoes sit in the sauce. Toss them right before serving, and eat immediately. The longer they sit, the more the steam softens the coating.

Can I prep any of this ahead of time?

You can cut and cornstarch-coat the potatoes up to 2 hours ahead and keep them on a rack at room temperature. Fry them just before you plan to eat.

Is there a low-oil version?

Bake the coated wedges on a greased sheet pan at 425°F (220°C) for 25 to 30 minutes, flipping once. They will not be as shatter-crisp as fried, but still very snackable.

Chili Potato Recipe

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 15 minutes mins

Total Time 30 minutes mins

Servings: 2 servings

Calories: 365

Ingredients Method Notes

Ingredients

  

• 2 large russet potatoes (about 1 lb), cut into ½-inch wedges
• 3 tbsp cornstarch
• Oil for frying
• 1 small red onion, thinly sliced
• ½ green bell pepper, sliced into strips
• 2 cloves garlic, minced
• 1 green chili, slit lengthwise (optional)
• 2 tbsp soy sauce
• 1 tbsp chili sauce
• 1 tbsp tomato ketchup
• 1 tsp white vinegar
• ½ tsp sugar
• 1 tbsp water
• 1 tbsp chopped spring onions

Method

 

1. Toss potato wedges with cornstarch to coat evenly, then let them rest for 5 minutes.
2. Fry in batches in 350°F (175°C) oil for 6 to 7 minutes until golden and crisp. Drain and salt lightly.
3. Pour off most oil, leaving 1 tbsp in the pan. Sauté onion and bell pepper over high heat for 3 to 4 minutes.
4. Lower heat to medium, add garlic and green chili, cook 30 seconds. Stir in soy sauce, chili sauce, ketchup, vinegar, sugar, and water. Simmer 2 minutes until thickened.
5. Fold in fried potatoes and half the spring onions. Serve immediately topped with remaining spring onions.

Notes

A wire rack rest after coating helps the cornstarch set better, giving you a crunchier fry. If your sauce thickens too fast, splash in a little extra water.