Remove the stem end and the string from each sugar snap.: As you trim each pod, you'll notice a faint vegetal aroma and the pods will feel slightly crisp under your fingers, which is a good sign of freshness. Removing the stem and string prevents chewy bits and makes each bite seamless, so the texture stays consistently pleasant. A common mistake is rushing and leaving strings attached, which can leave fibrous strands during eating. Take a moment to snap or pull the string away, and if a pod seems dull or soft, discard it for the best final crunch.
Place a cast iron fry pan over a medium high heat and let it get hot. Add the oil and then toss in the sugar snap peas sauté for 3 minutes, until the sugar snap peas are slightly tender and with a small amount of colour.: When the pan warms, the air will shimmer and the oil will thin out, giving off a faint toasty scent which signals readiness. Once the pods hit the pan, you'll hear an immediate sizzle that translates into quick surface caramelization, producing small brown flecks and a nutty aroma. Use a spatula or tongs to shake the pan so the peas contact the surface evenly, achieving that slight char while keeping the inside crisp. Avoid overcrowding the pan, as steam will form and lead to limp pods. If they stop sizzling within the first minute, the pan is not hot enough or there is too much oil, both of which reduce the desired snap.
Place the sugar snap peas in a serving bowl and sprinkle with the salt and chilli flakes.: Transfer the peas while they are still hot so the seasoning adheres and melts slightly into the surface, creating a unified flavor. The salt will dissolve just enough to amplify sweetness, and the chilli flakes will toast a touch from the residual heat, giving an aroma that lifts the whole dish. If you wait too long to season, the spices will not stick as well and the heat may feel muted. A typical error is over seasoning, so start conservatively and taste one pod to check balance before adding more.
Serve hot.: Present the dish right away to preserve the contrast between charred exterior and crunchy interior, which is most vivid when warm. As the peas cool, the texture softens and the flavors become less immediate, so serving promptly ensures optimal enjoyment. Plate them in a shallow bowl so the heat dissipates slowly, inviting immediate bites. A common pitfall is letting the dish sit under a lid, which traps steam and ruins the crispness, so avoid covering before serving.