In a small bowl mix the hoisin, sriracha and soy sauces - set aside.
Using a food processor chop the mushrooms, bell pepper, and cucumber - put in a bowl and set aside.
Place the sesame oil in a skillet until hot, add grated ginger until fragrant.
Add ground turkey (or pork/chicken) and cook until brown.
Add the vegetables to the turkey in the skillet until combined (about 1 to 2 mins), then add in the sauce until it's all good and mixed in.
Put turkey mixture in a bowl and serve in butter lettuce leaves, top with sriracha or hoisin and enjoy!