Steps
1. Heat vegetable oil in a large skillet over medium-high heat.
2. Add diced potatoes and cook until slightly browned, about 5 minutes.
3. Add red peppers, broccoli, and yellow squash to the skillet. Stir-fry for another 5-7 minutes until vegetables are tender-crisp.
4. Drizzle hoisin and teriyaki sauces over the vegetables. Stir well to combine.
5. Season with salt and pepper to taste.
6. Remove from heat and serve hot.