A quick and boldly flavorful lamb stir-fry with fragrant toasted spices, tender onions, and fresh cilantro. Inspired by Chinese restaurant versions but easy to make at home.
In a dry skillet over medium heat, toast cumin seeds and peppercorns for about 1 minute or until fragrant. Coarsely grind toasted spices in a spice grinder or with a mortar and pestle. Mix with salt and chili flakes.
Add spice mixture to sliced lamb and toss to coat evenly.
Heat a large skillet or wok over high heat until hot. Add oil and when it just starts to smoke, add onions. Cook and stir about 2 minutes until the edges are translucent. Transfer onions to a bowl.
Add lamb with spices to the wok; cook and stir until meat starts to brown, about 2 minutes. Add green onions, garlic, soy sauce and wine; bring to simmer. Cook and stir 2 minutes more or until lamb is just cooked through. Add onions and stir to combine. Remove from heat and stir in cilantro. Transfer to platter and serve.
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Notes
Slicing the lamb: For super-thin slices, partially freeze the lamb first — about 30 minutes in the freezer makes it much easier to cut.
Spice grinding: A coffee grinder works great for the toasted cumin and Sichuan peppercorns, but a mortar and pestle also works well.
Don’t skip the toasting step: It makes a huge difference in flavor; the whole spices become fragrant and nutty in under a minute.
Shaoxing wine: If you don’t have it, dry sherry is a solid substitute.