01 - Pat the shrimp dry using paper towels, then season evenly with salt and black pepper.
02 - Warm olive oil and 1 tablespoon butter in a large skillet over medium-high heat.
03 - Add shrimp in a single layer and cook undisturbed for 1 to 2 minutes until they turn pink on the cooked side.
04 - Turn shrimp over, add minced garlic and red pepper flakes if using, then cook for another 1 to 2 minutes, stirring frequently, until shrimp are opaque and fully cooked.
05 - Stir in remaining butter, lemon juice, and lemon zest; toss shrimp to coat thoroughly.
06 - Remove skillet from heat, sprinkle with chopped parsley, and serve immediately with lemon wedges.