Place chicken strips in a bowl. Sprinkle with cornstarch (corn flour). Toss to coat.
Meanwhile, heat 1 tablespoon oil in a wok or large frying pan over high heat.
Add chicken strips. Stir fry for 5 minutes or until browned and cooked through. Fry chicken in batches if needed.
Remove cooked chicken from pan with a slotted spoon.
Remove excess oil. Reduce heat to medium.
Add ginger and garlic. Sauté, stirring, for a minute or until fragrant.
Add Mongolian sauce. Stir to combine. Simmer for 2-3 minutes or until the sauce thickens and sugar dissolves.
Add cooked chicken strips, sriracha sauce and scallions (spring onions). Stir fry for 2 minutes.
Garnish with chopped scallions (spring onions).
Serve with jasmine rice, basmati rice or noodles.