Preheat the grill to medium heat.
Thread the salmon, pepper, and onion pieces on the skewers.
2 lb. salmon fillet, 1 large bell pepper, 1 red onion
In a small bowl, whisk together the olive oil, lemon juice, lemon zest, cilantro, and season to taste with salt and pepper.
Juice and zest of 1 lemon, ¼ cup olive oil, 1 tbsp. fresh cilantro, Sea salt and freshly ground black pepper
Brush the skewers with the olive oil and lemon juice mixture on all sides.
Grill the skewers for 3 to 4 minutes on each side.
Adjust seasoning and serve with fresh lemon slices.