2 pounds of raw, shelled shrimp2 to 3 pounds of red potatoes (cubed)1 pound of Portuguese chouriço or linguiça sausage (cut into 1 or 2 inch slices)4 fresh corn on the cob (each cut into 4 pieces)1 lemon (cut into slices)2 tablespoons of olive oil2 tablespoons of butter1 teaspoon of garlic powderSeasoning:1 tablespoon of paprika2 teaspoons of salt1 teaspoon of pepper1 teaspoon of garlic powder1/2 teaspoon of Piri Piri flakes or Cayenne pepper3 tablespoons of chopped parsley