Spicy Garlic Noodles
Spaghetti tossed in a glossy sauce of browned garlic butter, oyster sauce, chili crisp and Parmesan. A fast, savory Asian-American noodle dish with a slow-building heat, ready in about 25 minutes.
- Prep
- 10 min
- Cook
- 15 min
- Wait
- 3 min
- Total
- 28 min
- Makes
- 4 main-dish servings (about 2 cups each)
Steps
Before you start
- Have every sauce ingredient measured before you turn on the heat; garlic burns fast once it goes in the pan.
- Peel and mince the garlic finely and evenly so it cooks at the same rate.
- Grate the Parmesan from a block if you can; it melts more smoothly than pre-grated.
- Choose your heat: 1 tablespoon chili crisp is medium-spicy, 2 tablespoons is properly hot.
Boil the water
- Fill a large pot with 4 quarts (4 L) of water, add the kosher salt, cover, and bring to a rolling boil over high heat.
- Meanwhile, in a small bowl stir together the oyster sauce, soy sauce, brown sugar, chili crisp and red pepper flakes.
- Mince the garlic and slice the scallions, keeping whites and greens separate.
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Ready when: Water is at a full rolling boil and the sauce looks evenly mixed with no sugar granules.
Tip: Salty water seasons the noodles from inside; don't skip it, since the sauce alone won't compensate.
Cook the spaghetti
- Add the spaghetti to the boiling water and stir for the first 30 seconds so it doesn't stick.
- Cook 1 minute less than the package directions (usually 8 to 9 minutes), since it will finish in the sauce.
- Scoop out 1 cup (240 ml) of pasta water, then drain the noodles without rinsing.
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Ready when: Spaghetti is flexible but still has a firm, slightly chalky center when you bite a strand.
Tip: Reserve the pasta water before draining; its starch is what makes the sauce cling.
Melt the butter
- While the pasta cooks, set the skillet over medium heat and add the butter.
- Let it melt and foam gently, about 1 minute, swirling the pan.
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Ready when: Butter is fully melted and foaming but not browned.
Toast the garlic
- Add the minced garlic and the scallion whites to the butter.
- Cook, stirring constantly, for 1 to 2 minutes until fragrant and pale golden at the edges.
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Ready when: Garlic smells sweet and nutty and is pale golden, not dark brown.
Tip: If the garlic starts browning too fast, pull the pan off the heat for 15 seconds; burnt garlic turns bitter.
Simmer the sauce
- Pour in the oyster sauce mixture and ½ cup (120 ml) of the reserved pasta water.
- Stir and simmer for 1 to 2 minutes until slightly thickened and glossy.
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Ready when: Sauce bubbles steadily and coats the back of a spoon.
Toss the noodles
- Add the drained spaghetti to the skillet.
- Using tongs, toss and lift the noodles for 1 minute so every strand is coated and the pasta absorbs the sauce.
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Ready when: Noodles are glossy and evenly brown, with little pooling liquid.
Tip: If the pan looks dry, add more pasta water 2 tablespoons at a time.
Add the cheese
- Remove the pan from the heat.
- Sprinkle in the Parmesan in two batches, tossing well after each, then drizzle with the sesame oil.
- Loosen with 2 to 4 tablespoons more pasta water if the sauce looks tight or clumpy.
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Ready when: Cheese has melted into a silky, creamy coating with no visible clumps.
Tip: Adding cheese off the heat prevents it from clumping and turning grainy.
Rest and serve
- Let the noodles sit for 2 minutes so the sauce settles and thickens slightly.
- Divide among 4 warm bowls and top with scallion greens, sesame seeds and extra Parmesan.
- Serve immediately.
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Ready when: Sauce clings to the strands instead of running off.
Tip: Serve right away; the noodles keep absorbing sauce as they sit.
Good to know
Tips
- Don't overcook the pasta in the water; it finishes in the sauce and turns mushy if cooked fully first.
- Starchy pasta water is the key to a glossy, non-greasy sauce, so always save more than you think you need.
- Add protein like seared shrimp, sliced chicken or a fried egg on top for a heartier meal.
- Taste before salting at the end; oyster sauce, soy sauce and Parmesan are already salty.
Make ahead
"Mix the sauce (oyster sauce, soy sauce, brown sugar, chili crisp, pepper flakes) up to 5 days ahead and refrigerate in a jar. Mince garlic and slice scallions up to 1 day ahead. Cook the noodles fresh."
Storage & reheating
"Room temperature: up to 2 hours. Fridge: airtight container up to 3 days. Freezer: not recommended, as the noodles turn soft. Reheat in a skillet over medium-low heat with 2 to 3 tablespoons water, tossing 2 to 3 minutes until hot and glossy."
Substitutions
- dried spaghetti → fresh or dried lo mein or linguine. Cook fresh lo mein for 2 to 3 minutes; linguine takes the same time as spaghetti.
- oyster sauce → vegetarian mushroom stir-fry sauce. Same amount; gives a similar savory depth without shellfish.
- Parmesan cheese → Pecorino Romano. Sharper and saltier, so taste before adding extra soy sauce.
- chili crisp (or chili oil with sediment) → 1 tbsp sriracha or sambal oelek plus 1 tsp neutral oil. Gives heat but less crunch and aroma.
