Toss the sliced beef in a large bowl with 2 tablespoons corn starch. Set aside.
Add all sauce ingredients to a mixing bowl, and stir until combined. Set aside.
Heat a pan over medium heat for a few minutes until hot. Add canola oil to coat the bottom. Add jalapeño and ginger. Cook for a few minutes, stirring occasionally.
Add garlic and sliced beef to the pan, evenly distributing the beef. Cook until the beef browns, about 5 minutes, stirring frequently.
Stir the sauce and pour it into the pan with the beef. Mix well until everything is coated with the sticky sauce. Let simmer for a minute until thickened.
Remove the pan from heat and stir in scallions. Serve over cooked white rice.