In a small bowl, whisk together soy sauce, garlic, brown sugar, ginger and white pepper; set aside.

In a large pot of boiling water, add Yaki-Soba until loosened, about 1-2 minutes; drain well.

Heat olive oil in a large skillet over medium high heat. Add onion and celery, and cook, stirring often, until tender, about 3-4 minutes. Stir in cabbage until heated throug

Stir in Yaki-Soba and soy sauce mixture until well combined, about 2 minutes.

Serve immediately.