Lemon chicken bake

Ingredients (4 servings): 1½ tablespoons olive oil 700g sweet potatoes, cut into thick wedges 400g can artichokes in brine, drained, halved 3 (600g) zucchini (baby marrow), cut into 4cm pieces 1 large red capsicum (bell pepper), roughly chopped 1 lemon, cut into wedges 12 garlic cloves, unpeeled 1 tablespoon dried oregano 8 (750g) chicken thigh…