Gambas al Ajillo (Spain)

1 1/2 pounds shelled and deveined large shrimp, tails intact Kosher salt 1/4 cup thinly sliced garlic 1 1/4 cups extra-virgin olive oil 1 small dried hot red chile, seeded and crumbled 1/2 cup minced parsley 2 tablespoons dry sherry, such as manzanilla 1 teaspoon finely grated lemon zest Crusty bread, for serving In a…