2 lbs zucchini (about 4 medium), trimmed and cut into 1" chunks
1 tbl olive oil
2 tbl prepared pesto sauce
salt & pepper to taste
Place a baking sheet on the middle rack of the oven. Preheat the oven to 500F.
Toss zucchini with oil in a large bowl. Spread the zucchini on the preheated baking sheet in a single layer. Roast until beginning to brown, 5-7 minutes. Turn zucchini and continue roasting until just tender, 7-9 minutes more. Return zucchini to the bowl. Add pesto, salt & pepper, toss to coat.