Thai Stir-Fried Meat with Basil – Nua Bye Ga Pon

3 tbsp. vegetable oil
1 lb. beef sirloin tip, thinly sliced
1 clove garlic, finely chopped
1/2 medium onion, peeled and sliced
1/2 c. sliced fresh mushrooms, or 1 3-oz. can sliced mushrooms, drained
2 jalapeno peppers, seeded and cut into quarters
1 tbsp. fish sauce
1 tsp. sugar
1/2 to 1 cup coarsely chopped fresh basil leaves
1. In a large skillet or wok, heat 2 tbsp. oil over high heat for 1 minute. Add meat and cook over high heat, stirring constantly, until beef begins to turn brown. Place meat in a bowl and set aside.
2. Wash skillet or wok and dry thoroughly.
3. Heat remaining oil in skillet or wok over high heat for 1 minute. Add garlic, onion, mushrooms, and peppers and stir well. Cook, stirring frequently, for 1 minute, or until mushrooms and peppers are soft.
4. Add meat, fish sauce, and sugar and stir well. Cook, stirring constantly, over medium heat for 2 minutes, or until heated through.
5. Add basil, stir-fry just until leaves wilt (about 10 seconds).
6. Serve hot over rice.