Spiced Cauliflower Soup

Name: Spiced Cauliflower Soup
Ingredients: ¾ teaspoon cumin seed; ¾ teaspoon coriander seed; ½ teaspoon fennel seed; 1 tablespoon extra-virgin olive oil; 2 medium leeks, trimmed, washed and sliced (about 2 cups); 2 cloves garlic, minced; 1 teaspoon minced or finely grated fresh ginger; ½ teaspoon salt; Pinch of cayenne pepper; 1 medium head cauliflower (about 2 pounds), trimmed and broken into florets; 4 cups low-sodium vegetable broth or low-sodium chicken broth; ½ cup low-fat milk, as needed; ½ lime; ¼ cup sliced almonds, toasted (see Tip); 2 tablespoons chopped fresh chives or cilantro