- Whisk together teriyaki, sesame oil, and cornstarch in a small cup or bowl. Set aside.
- Heat oil over medium-high heat in a large skillet for 2 minutes. Add sliced pork and cook for 4 minutes, stirring once to lightly brown meat. Add asparagus and cook for 2 minutes longer.
- Reduce heat to low and pour in sauce. Cook for 2 minutes longer, until the sauce has thickened. Serve hot topped with chopped green onions.