Shrimp,stir-fried with pepper,garlic,andscallions, makes a speedy, spicy main dish.
Heat oil in a wok or a large nonstick skillet over medium-high heat until hot but not smoking. Add garlic; cook, stirring constantly, until golden, about 2 minutes.
Add shrimp; cook, stirring constantly, until shrimp are opaque, about 5 minutes. Add pepper, salt, and sugar; cook, stirring constantly, 30 seconds. Stir in scallions. Transfer to a serving dish. Garnish with more scallions, and serve with lime wedges.