1. Preheat the oven broiler, and move oven rack into the top position.
2. Place the snap peas onto a baking pan, drizzle with olive oil and toss to coat. Spread the snap peas out into a single layer.
3. Broil the snap peas in the preheated oven until tender, about 5 minutes.
4. Meanwhile, mix together the soy sauce, sesame oil, chili oil, brown sugar, and sesame seeds in a large bowl. When the snap peas come out of the oven, toss them immediately with the sauce.