Chicken Pad Thai Soup

Name: Chicken Pad Thai Soup
Ingredients: 1 tablespoon olive oil; 1 pound boneless chicken breasts (cut in bite size pieces); 1 cup carrots (cut to match sticks); 1 cup red bell pepper (cut to match sticks); 2 cloves garlic (grated); 1 inch fresh ginger (grated); 3 1/2 cups chicken stock; 3 tablespoons soy sauce; juice from half of one lime; 2 tablespoons sriracha (or more to taste); 2 tablespoons peanut butter; 2 packages Fortune Udon Noodles (chicken flavor); 14 ounce can bean sprouts (drained); 13.5 ounce can lite coconut milk; optional garnish: chopped peanuts