Healthy Miso Ramen with Chicken

Name: Healthy Miso Ramen with Chicken
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Cuisine: Asian, Japanese
Ingredients: 1 tablespoon vegetable oil; 1/2 large onion, chopped; 1 large tomato, sliced; 1 tablespoon garlic, minced (approximately 4 cloves); 4 cups water; 1 teaspoon ginger, grated; 2 tablespoons organic miso paste; 1 lb. chicken breast, cut into 1/2-inch thick strips; 1 teaspoon salt; 1 teaspoon ground black pepper; 1 teaspoon granulated sugar; 1 teaspoon soy sauce; 1 teaspoon cayenne pepper (optional); 2 servings ramen noodles; 1 teaspoon scallion, chopped; 1 (6" x 6") seaweed nori, cut in half; 1 + 1/2 tablespoons carrots, grated; 1/3 cup frozen sweet corn, thawed; 2 eggs, soft-boiled (see notes below for recipe); 1 teaspoon white sesame seeds, for garnish