Thai Sweet Potato Soup w/ Lemongrass and Ginger

Name: Thai Sweet Potato Soup w/ Lemongrass and Ginger
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: Thai
Ingredients: 2 large shallots (or one white onion) diced; 2 Tablespoons coconut oil (or olive oil); 6 cloves garlic, chopped; ½ cup finely chopped lemongrass (packed) 2-3 stalks; 1/4 cup ginger, chopped; 1 small Serrano chili (or jalapeno for less spicy), diced; 1 teaspoon yellow curry powder; ½ teaspoon turmeric; 4 cups veggie or chicken stock; 2 cups water; 2 lbs yams, peeled, cubed (or sweet potatoes); 1 large carrot (for color- this is optional) peeled, sliced; ½ cup to 1 can coconut milk; 2 teaspoons brown sugar; 2-4 teaspoons soy sauce: to taste ( or sub fish sauce for extra depth); 2 Tablespoons lime juice; salt and pepper to taste; Cilantro, coconut milk, scallions, popped Sorghum grains, Sriracha Sauce and lime wedges