Remove strings from snow peas by cutting or pinching off the top corner and pulling the tough string that runs along the length of the pod

Combine 1 teaspoon oil, garlic, ginger, and the minced whites of the green onions/scallions in a small bowl and set aside

Combine salt, crushed red pepper, and sugar in a small bowl and set aside

Heat the remaining 2 teaspoons of oil in a 12-inch non-stick skillet over high heat until oil is shimmering

Add the snow peas, sprinkle with the salt mixture, give it a quick stir, and cook undisturbed for 30 seconds

Stir the snow peas and cook again undisturbed for 30 seconds

Continue to cook, stirring constantly until the snow peas are crisp-tender, ~2 minutes

Push the snow peas to the outer edges of the pan clearing the middle of the pan and add the garlic mixture to the middle pressing down with the spatula until fragrant, approximately 30 seconds

Stir the mixture into the snow peas and transfer to a bowl

Stir the rice wine vinegar and minced green parts of the green onions/scallions into the snow peas, season with salt and pepper, as needed, and serve