Roasting is the key to the full-bodied flavor of this chilled soup. Serve in late summer with a simple salad of greens and good, crusty, whole-grain bread for an elegant meal that will cool you down even as it delights you with its spice.
3 lbs. carrots, peeled and diced
2 T. canola oil
1 1/2 t. whole coriander seeds
1 1/2 t. whole cumin seeds
1 1/2 t. whole mustard seeds (yellow or brown)
1/4 t. kosher salt
1/4 t. freshly ground black pepper
1 T. extra virgin olive oil
2 c. onion, peeled and diced
1 T. garlic, chopped
1 T. fresh ginger, minced
1 qt. low-sodium vegetable stock
1 c. plain, low-fat yogurt
2 T. lime juice
Fresh cilantro leaves, for serving