Step 1) Combine hot water and bouillon in a 1-quart container. Stir to dissolve and set aside.
Step 2) Combine tomato sauce, onion, chile pepper and cilantro in a blender. Puree and stir into broth.
Step 3) Heat oil in a large deep-sided skillet or Dutch oven over medium heat. Add the Fideo noodles and cook for 2 to 3 minutes or until light golden brown.
Step 4) Add the broth mixture to the pan and bring to a boil. Cook for 10 to 12 minutes stirring occasionally or until noodles are tender and liquid is absorbed. Serve immediately with desired garnishes.