Preheat the oven to broil.
Lightly toast the hemp seeds in a skillet on medium heat for five minutes, or until just crackling.
Lightly whisk together lemon, oil, vinegar and spices.
Arrange peppers on a large glass baking dish. Drizzle mixture over the peppers.
Broil for 10 minutes or until the peppers start to lightly char.
Sprinkle with the lightly toasted hemp seeds. Add salt and pepper to taste.