Soak wooden skewers in water for at least 20 minutes before threading anything onto them. I confess I forgot this step once and watched the skewers char black while the shrimp stayed raw—not fun at a backyard gathering.
Pat shrimp completely dry with paper towels. Moisture on the surface prevents proper browning, so this step matters more than people realize because it's what creates those caramelized edges.
Combine olive oil, lemon juice, smoked paprika, cumin, garlic powder, salt, and black pepper in a shallow bowl. Stir until the spices dissolve into the oil. This mixture is your base for the 4th of july shrimp skewers family recipe marinade.
Toss shrimp in the marinade for exactly 15 minutes—no longer. I time this on my phone because longer contact with acid damages the protein. After marinating, remove shrimp to a separate plate.
Thread shrimp onto skewers, alternating with red bell pepper, yellow bell pepper, and red onion pieces. Leave a quarter-inch gap between each item so heat circulates evenly. This prevents the charring pattern you'd get if everything touched.
Preheat your grill to medium-high (around 400°F) and oil the grates well. A dry grate means stuck shrimp and wasted effort because the proteins bond to bare metal instantly.
Grill skewers for 2–3 minutes per side until the shrimp curl and turn opaque. Brush with honey glaze during the last 30 seconds of cooking on each side. Watch for the glaze to bubble slightly—that's your signal to pull them off before the honey burns black.
Transfer finished skewers to a serving platter and sprinkle with fresh parsley while still warm. The heat opens the parsley's oils and releases its brightness across all the other flavors.