Wisk soy sauce, vinegar and 1 Tbsp oil.
In large wok or skillet, heat 1 Tbsp oil. Add shrimp, mushrooms, zucchini and scallions.
Sprinkle with red pepper.
Stir fry for 4 minutes or until shrimp are cooked.
Add soy sauce mixture and toss.
Serve with hot rice.