Harissa, Miso and Tomato Tray Bake

Ingredients

• 300g sweet potatoes (optionally peeled), in 2cm cubes
• 400g cherry tomatoes
• 275g chickpeas, drained and dried
• 1/2 red onion
• 4 garlic cloves (whole, skins left on)
• 40g rose harissa
• 2 tbsp white miso paste
• 1 tbsp tomato puree
• 1 tsp ground cumin
• 2 tbsp olive oil
• to taste salt and freshly cracked black pepper