3 pounds jumbo tail-on shrimp (21- to 25-count), peeled and deveined
8 to 10 cloves garlic, finely chopped
1/4 cup extra-virgin olive oil
2 tablespoons fresh lemon juice
1 1/2 teaspoons kosher salt
3/4 teaspoon cracked black pepper
Green Goddess Dressing, recipe follows
3/4 cup plain Greek yogurt
1/3 cup mayonnaise, such as Duke's
2 tablespoons buttermilk, optional
1/2 cup fresh parsley leaves
1/4 cup chopped fresh chives
1 tablespoon chopped fresh basil
2 teaspoons chopped fresh tarragon
1 clove garlic
2 teaspoons lemon zest
1 tablespoon fresh lemon juice
1 teaspoon Worcestershire sauce
1/2 teaspoon kosher salt
1/4 teaspoon black pepper