Butternut Squash, Tomato and Cumin Soup - twimii

Ingredients

• 1 medium-sized butternut squash, peeled, chopped & seeds discarded
• butternut squash skin, chipped, tossed in a litle oil & sprinkled with garam masala (optional)
• 1 400g tin plum tomatoes
• 2 leeks, sliced
• 2 celery sticks, sliced
• 1 onion, chopped
• 1 teaspoon fresh thyme leaves
• 1 generous tablespoon cumin
• 1.2 litres vegetable stock