Bring a pot of water to a boil and cook the soba noodles according to package directions, then drain and set aside.
In a large skillet over medium-high heat, cook the ground turkey until browned, breaking it into small crumbles as it cooks.
Add the minced garlic, grated ginger, sea salt, and black pepper to the skillet, sautéing for about 2 minutes until the aromatics are fragrant.
In a small bowl, whisk together the tahini, tamari, rice vinegar, toasted sesame oil, and red pepper flakes until the sauce is smooth.
Add the chopped baby bok choy to the skillet with the turkey and cook for 3 minutes until the leaves are wilted and the stems are just tender.
Toss the cooked soba noodles and the prepared tahini sauce into the skillet, stirring well to ensure everything is evenly coated.
Serve the noodles immediately in a bowl, topped with thinly sliced green onions for a fresh and crunchy finish.