Spicy Thai Chicken and Sweet Potato Stew

Name: Spicy Thai Chicken and Sweet Potato Stew
Ingredients: 2 tablespoons Olive Oil; 3 Yellow Onions, roughly diced; 1 Head of Garlic, finely chopped; 2 tablespoons Ginger, finely chopped; 1-3 Hot Green Peppers, finely chopped; 1 teaspoon Tumeric; 4 teaspoons Cumin; 5 Sweet Potatoes (medium), peeled and cut into large cubes; 4 Chicken Breasts, cleaned and cut into large pieces; 28 ounces Coconut Milk (regular or low fat); 7 cups Chicken Stock; 2 cups Frozen Green Peas; 2 cups Bulgur Wheat; 1 Lemon