Pickled Shrimp-and-Field Pea Lettuce Wraps

Bring 10 cups water, peas, Old Bay, salt, sugar, fennel seeds, red pepper, bay leaves, and 3 garlic cloves to a simmer in a 6-quart Dutch oven over high. Simmer until peas are tender, 30 to 40 minutes. Using a strainer, transfer peas to a large bowl; reserve liquid in Dutch oven.

Cut onion into quarters. Thinly slice 3 quarters. Finely chop remaining quarter; set aside chopped onion. Cut 1 lemon crosswise into thin slices. Add sliced onions and lemon to Dutch oven. Bring to a boil over high. Add shrimp; cook until pink and plump, about 3 minutes. Transfer shrimp, lemon slices, and sliced onions to bowl with peas. Discard cooking liquid.

肉剩下的大蒜瓣,在一个小地方bowl; add olive oil, vinegar, finely chopped onion, and the juice of remaining 2 lemons. Whisk until combined. Season with salt to taste. Pour vinaigrette over pea-shrimp mixture; toss to combine. Chill, uncovered, tossing occasionally, 30 minutes. Remove lemon slices, if desired. Garnish with dill; serve with hot sauce, lettuce, and lemon wedges.