Chinese-Style Udon with Pork Tenderloin

Name: Chinese-Style Udon with Pork Tenderloin
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: Asian, Chinese
Ingredients: 3 tablespoons avocado oil; 1 pork tenderloin; 2 cups broccoli floretes; 1 red bell pepper; 1 small onion; 3 cloves garlic; 1 teaspoon gochugaru; 1 pound fresh udon noodles; 1/2 cup water; 1/4 cup dark soy sauce; 1/8 cup light soy sauce; 3 tablespoons dark brown sugar; 2 tablespoons chili garlic sauce; 2 tablespoons oyster sauce; 1 tablespoon black vinegar; 3 tablespoons cornstarch