Preheat oven to 425 degrees F.
Toss the green beans in a large baking dish
with the oil and shallots
and season with salt and pepper. Roast
until just cooked through and golden brown, about 15 to 18 minutes. Combine the hazelnuts
, zest, and parsley in a small bowl. Transfer green beans to a platter and sprinkle with the hazelnut mixture.