Danielle Alvarez’s summer vegetable tian

1.Preheat oven to 180°C. Place 80ml oil in a saucepan over low heat, add onion, garlic and thyme and cook gently, stirring often, until softened without colouring (20-25 minutes). Remove from pan. Add breadcrumbs and remaining olive oil to pan, increase heat to medium and fry until golden (7-8 minutes). Remove with a slotted spoon and drain on paper towels.

2.Thinly slice vegetables into 3mm-4mm-thick rounds with a mandoline or a sharp knife. Spread onion in the base of an oiled 20cm x 30cm casserole, then, starting with zucchini and pressing firmly against the side of the dish, form rows of each vegetable across the dish, standing them up, overlapping and pressing in firmly. Season each row lightly with salt as you go and and tuck a few basil leaves between the layers.

3.Drizzle tian with olive oil, then cover casserole with baking paper, then foil and bake until vegetables start to soften (35-45 minutes). Remove foil and paper, and gently press vegetables into the juice with a spatula (this prevents them drying out and compacts them so the tian is easier to slice). Increase oven to 200°C and bake until vegetables soften and juices thicken (20-30 minutes). Sprinkle with cheeses, scatter with reserved breadcrumbs and bake until cheese is melted and golden (10-15 minutes). Serve warm or at room temperature topped with basil and cheese.