Preparation Blend chiles, garlic, sugar, fish sauce, salt, and 3 Tbsp. oil in a blender until smooth. Transfer marinade to a medium bowl; add shrimp and toss to coat. Let sit 10 minutes. Heat remaining 1 Tbsp. oil in a large nonstick skillet over medium-high. Working in batches if needed to avoid crowding the pan, transfer shrimp to skillet, leaving marinade behind, and cook until deeply browned around the edges and flesh is opaque, about 1 minute per side. Remove pan from heat and add basil; toss vigorously until basil is wilted. Transfer shrimp mixture to plates. Serve with rice and lime wedges alongside.
Preparation Blend chiles, garlic, sugar, fish sauce, salt, and 3 Tbsp. oil in a blender until smooth. Transfer marinade to a medium bowl; add shrimp and toss to coat. Let sit 10 minutes. Heat remaining 1 Tbsp. oil in a large nonstick skillet over medium-high. Working in batches if needed to avoid crowding the pan, transfer shrimp to skillet, leaving marinade behind, and cook until deeply browned around the edges and flesh is opaque, about 1 minute per side. Remove pan from heat and add basil; toss vigorously until basil is wilted. Transfer shrimp mixture to plates. Serve with rice and lime wedges alongside.