To make the sauce, place soy sauce, ketchup (tomato sauce), chili paste, rice vinegar and brown sugar in a small
bowl. Stir to combine. Set aside.
Meanwhile heat oil in a frying pan or skillet over medium-high heat. Add shrimp in a single layer. Cook 1-2 minutes on each side. Remove from pan. Set aside.
Heat sesame oil in the same pan over medium heat.
Add shallots, garlic and ginger. Sauté, stirring occasionally, for 2-3 minutes or until fragrant. Add Shaoxing wine (if using).
Add sauce. Stir. Add cooked shrimp. Toss. Stir fry for 2 minutes.
Add spring onions (scallions) and coriander (cilantro) leaves. Toss to combine.
Garnish with more spring onions (scallions) if you like.