Butternut squash hummus

Ingredients

• Small butternut squash, cut lengthwise and seeded
• 2 garlic cloves, peeled and lightly crushed
• Extra-virgin olive oil
• 1 can (19 oz/540 ml) chickpeas (drained, with water reserved)
• 3 tablespoons chickpea water
• 3 tablespoons tahini
• 2 tablespoons pomegranate molasses
• 1 tablespoon Aleppo pepper
• 1 teaspoon sumac
• Salt and pepper
• 2 tablespoons pumpkin seeds