If using wooden skewers, soak them in water for at least 20 minutes before grilling.
Preheat the grill to medium-high heat.
Pat the shrimp dry with paper towels. Season with salt and pepper, then thread onto skewers.
Place the shrimp skewers on the hot grill and cook for 2 to 3 minutes per side, until the shrimp are pink, lightly charred, and cooked through.
While the shrimp grill, make the garlic parmesan butter. Melt the Challenge Unsalted Butter in a small saucepan over medium-low heat. Add the minced garlic and cook gently for 2 to 3 minutes, stirring often, until fragrant and mellow. Do not let the garlic brown too much.
Continue cooking the butter until it turns lightly golden and smells nutty, then remove from the heat.
Stir in the Parmesan, parsley, and black pepper. Taste and add a pinch of salt if needed.
Brush or spoon the garlic parmesan butter over the hot shrimp skewers. Serve immediately with extra butter on the side.
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