Add 3 tablespoons of good quality olive oil to a pan over medium-high heat. Allow it to heat up, and the oil to glisten. Toss in broccoli and carrots first and cook, stirring occasionally, for about 5 minutes. add baby bok choy and cook for about 2 to 4 minutes, depending on heat and thickness of vegetables. Add 1/4 cup Teriyaki sauce to the vegetables and cook until it is incorporated well and coats all the vegetables.