Shrimp Boil Skewers with Corn, Sausage and Potatoes

Ingredients

• Spicy Cajun Butter
• 6 tablespoons unsalted butter
• 1 tablespoon chile powder
• 2 teaspoons smoked paprika
• 1 teaspoon garlic powder
• 1 teaspoon freshly ground black pepper
• ½ teaspoon dried thyme
• ½ teaspoon dried oregano
• ¼ teaspoon cayenne pepper
• 1 pinch red-pepper flakes
• Skewers
• 1 pound baby potatoes (red or yellow)
• 1 pound unpeeled shrimp
• 1 pound smoked andouille sausage, sliced
• 4 ears corn, each cut into 4 to 6 pieces
• Salt and freshly ground black pepper
• ¼ cup chopped fresh parsley
• 1 lemon, cut into wedges