Follow these simple steps to prepare your amazing Asian Chicken Lettuce Wraps:

1. Heat the Oil: In a large skillet, heat sesame oil over medium heat.
2. Cook the Aromatics: Add minced garlic and ginger to the skillet. Sauté for about 30 seconds until fragrant.
3. Add Chicken: Incorporate the ground chicken into the skillet. Cook until fully browned and no longer pink, about 5-7 minutes.
4. Mix in Vegetables: Stir in chopped onion, bell pepper, and mushrooms. Cook for an additional 3-4 minutes until vegetables are tender.
5. Prepare the Sauce: In a small bowl, whisk together soy sauce, hoisin sauce, rice vinegar, and cornstarch. Pour the mixture into the skillet. Stir well to combine.
6. Season: Continue to cook for another 2-3 minutes until the sauce thickens slightly, and season with salt and pepper to taste.
7. Prepare Lettuce: While the filling is cooking, rinse and pat dry your lettuce leaves.
8. Assemble Wraps: Spoon a generous amount of the chicken mixture into a lettuce leaf.
9. Garnish: Top with chopped green onions and peanuts if desired.
10. Serve: Enjoy your delicious wraps immediately while the filling is warm!

These straightforward steps will guide you in creating Asian Chicken Lettuce Wraps that are bursting with flavor and texture!