Slice the tenderloin in half horizontally. Then thinly slice tenderloin into ½ inch strips. It should look like fajita meat. Sprinkle top with salt and pepper, then sprinkle over 1 tablespoon cornstarch and mix until evenly coated.
½ teaspoon salt, ½ teaspoon black pepper, 1 pork tenderloin, 1 tablespoon cornstarch
Mix together sauce ingredients. Set aside.
2 oranges, zest and juice, ¼ cup soy sauce, 2 teaspoon sesame oil, 3 tablespoon brown sugar, ¼ teaspoon red pepper flakes, 1 tablespoon cornstarch
Heat a large skillet over high heat. Add 2 tbsp of oil. Once rippling, add pork in a single layer. If there is too much for a single layer, cook it in two batches. Turn over once that side looks done. Cook for 1-2 more minutes. Remove pork and set aside. Repeat if doing two batches.
3 tablespoon oil
Add 1 tbsp of oil to the pan. Add in onion, bell pepper, and zucchini and cook for 3-5 minutes until tender crisp. Once they are done, add in fresh garlic and ginger to the skillet and stir for 30 seconds.
½ medium onion, ½ red bell pepper, ½ zucchini, 1 tablespoon minced garlic, 1 tablespoon grated fresh ginger
Add pork back in, including any sauce that accumulated on the plate. Pour sauce over and simmer until thickened, 3- 5 minutes. Serve.