Bring a pot of water to boil and cook soba noodles until al-dente.
Drain and set aside.
Heat pan on medium high heat with oils.
Add onion to stir-fry until soft.
Then add in mushrooms to cook until slightly brown.
Next, add in red pepper and garlic to cook for 30 seconds.
Then add in broccoli and a splash of water to cook for 45 seconds.
Toss in the cooked soba noodles and teriyaki sauce.
Season with salt and black pepper.
Serve and enjoy!