Combine 1 tsp oil, scallion, and lemon in small bowl.
Combine 1/4 tsp salt and 1/8 tsp pepper to a small bowl. Heat remaining oil in a nonstick skillet over high heat until just smoking.
Add snow peas, sprinkle with salt mixture, and cook, without stirring about 30 seconds.
Continue to cook, stirring constantly, until peas are tender.
Push peas to side of skillet; add scallion mixture to clearing and cook, mash with spatula, until fragrant, about 30 seconds.
Toss to combine scallion mixture with peas.
Transfer peas to bowl and stir in lemon juice and parsley.
Season with salt and pepper. Enjoy!