8 ounces red potatoes, unpeeled, cut into 1-inch pieces
1 ear corn, husk and silk removed, cut into 2-inch rounds
2 teaspoons vegetable oil
2 teaspoons Old Bay seasoning
¼ teaspoon pepper
8 ounces extra-large shrimp (21 to 25 per pound)
6 ounces andouille or chorizo sausage, cut into 1-inch pieces
2 garlic cloves, minced
1 tablespoon chopped fresh parsley
Toss potatoes and corn with 1 teaspoon oil, 1 teaspoon Old Bay, and pepper in bowl; transfer to air-fryer basket. Place basket in air fryer, set temperature to 400 degrees, and cook for 12 minutes, tossing halfway through cooking.
Using kitchen shears or sharp paring knife, cut through shell of shrimp and devein but do not remove shell. Using paring knife, continue to cut shrimp ½ inch deep, taking care not to cut in half completely.
Toss shrimp and sausage with garlic, remaining 1 teaspoon oil, and remaining 1 teaspoon Old Bay in now-empty bowl. Arrange shrimp and sausage on top of vegetables. Return basket to air fryer and cook until shrimp are opaque throughout, 6 to 8 minutes, tossing halfway through cooking. Transfer to serving platter and sprinkle with parsley. Serve.