Boil water for the noodles and cook according to directions and rinse set aside.
Wash the lettuce
Make the sauce
Stir fry the ground meat until cooked through.
Strain the meat to separate the fat.
Add the oil to the pan
Add the onion and garlic stir fry for 2 minutes
Add all the other vegetables including the chestnuts
Add the ground meat
Add the hoisin and sriracha sauce and keep stirring 3-5 minutes or until the vegetables are to your liking.
Serve the lettuce, meat and noodles with the sauce and enjoy