Put the oil in a 10- or 12-inch skillet, preferrably non-stick, over high heat. A minute later, add the ginger and peas and stir and toss occasionally, until they are lightly browned and their green color is vivid, about 2 minutes.
Add the soy sauce and transfer to a platter. Add the sesame oil to the same pan and heat for about 10 seconds. Pour over the snow peas, season with salt and pepper, and serve immediately.