Chickpea and pumpkin casserole

Ingredients (4 servings): 1 cup dried chickpeas 1 tablespoon olive oil 2 medium red onions, cut into wedges 600g butternut pumpkin, chopped 1 garlic clove, crushed 4 sprigs fresh lemon thyme 1½ cups Vegetable stock 200g cherry tomatoes 100g baby spinach   Method: Place chickpeas in a bowl. Cover with cold water. Stand overnight in…