01 - Combine olive oil, lemon juice, lemon zest, minced garlic, salt, black pepper, and red pepper flakes in a large bowl; whisk until emulsified.
02 - Add shrimp to marinade, toss to coat evenly, and refrigerate for 10 to 15 minutes.
03 - Soak wooden skewers in water to prevent burning during grilling, if applicable.
04 - Heat grill or grill pan to medium-high heat.
05 - Thread marinated shrimp onto skewers, discarding excess marinade.
06 - Grill skewers 2 to 3 minutes per side until shrimp are opaque and slightly charred.
07 - Transfer skewers to serving platter, sprinkle with chopped parsley, and serve alongside lemon wedges.