1. 1. Preheat oven to 375°F.

2. 2. Place the chow mein noodles on a baking sheet and bake for 8-10 minutes or until golden brown and crispy.

3. 3. While the noodles are baking, heat olive oil in a large skillet over medium heat.

4. 4. Add diced onion and sauté until translucent, about 5 minutes.

5. 5. Cut boneless chicken into small bite-sized pieces and add to the skillet. Season with salt and pepper to taste.

6. 6. Sauté chicken until cooked through, about 8-10 minutes.

7. 7. Cut cherry tomatoes in half and add them to the skillet along with chopped lemon grass.

8. 8. Cook for an additional 2-3 minutes or until the tomatoes are heated through.

9. 9. Remove from heat and squeeze fresh lemon juice over the mixture.

10. 10. Serve over a bed of the baked chow mein noodles.