Bring a pot of water to a boil and cook the soba noodles according to the package instructions, then drain and set aside.
In a small mixing bowl, whisk together the tahini, tamari, chili oil, rice vinegar, and ground Sichuan peppercorns until smooth.
Heat the avocado oil in a large skillet or wok over medium-high heat.
Add the ground turkey, grated ginger, and minced garlic to the skillet, breaking the meat apart with a spatula until it is fully browned.
Toss the chopped baby bok choy into the skillet and sauté for 2 minutes until the leaves are wilted and the stems are slightly tender.
Add the cooked soba noodles and the prepared sesame sauce to the skillet.
Toss all ingredients together for 1-2 minutes until the noodles are well-coated and the dish is heated through.
Divide into a bowl and garnish with the freshly sliced green onions before serving.