Heat oil in a 10-inch cast-iron skillet over a medium-high, tilting pan to coat the bottom. Arrange potato wedges and sausage slices in skillet in a single layer, and sprinkle with 1/4 teaspoon salt.
To prepare the Spicy Shrimp: Heat the olive oil in a large, heavy frying pan set over medium heat. When hot, add the sausage and cook, stirring, until lightly browned, 3 minutes. Add the green ...