Sheet Pan Shrimp Boil

Ingredients

• 1 tsp. garlic powder
• 1/2 c. mayonnaise
• 1 lb. baby red potatoes, quartered
• 2 tbsp. finely chopped fresh chives
• 2 tbsp. extra-virgin olive oil
• Freshly ground black pepper
• 2 ears of corn, cut crosswise into 4 pieces each
• 1 tsp. Old Bay seasoning
• Juice and zest of 1/2 a lemon
• 2 tbsp. Freshly chopped parsley, for garnish
• 1 tbsp. Old Bay seasoning
• 1 tsp. Dijon mustard
• 2 lemons, sliced
• Kosher salt
• 2 tbsp. melted butter
• 1 1/2 lb. raw medium shrimp, peeled and deveined
• 2 links smoked andouille sausage, thinly sliced