Vegan roast

Name: Vegan roast
Cook time: 3 h
Total time: 3 h
Ingredients: ⅓ cup (70g) white quinoa, rinsed; 1 extra-large zucchini (350g) extra-large zucchini (350g), halved lengthways; 1 small leek (200g), white part only; 1.9 kg whole butternut pumpkin, halved lengthways; 1 small onion (80g), chopped; 2 cloves garlic, peeled; 2½ tablespoons olive oil; 2 tablespoons fresh thyme leaves; 3 teaspoons ground linseed; 2 tablespoons hot water; ¼ cup (35g) dried cranberries; ⅓ cup (35g) hazelnut meal