01 - Bring a large pot of salted water to a boil. Add live lobsters and cook 5–6 minutes until bright red. Transfer to an ice bath. Remove meat from claws, tail, and knuckles, then chop into bite-size pieces.
02 - Boil salted water and cook bucatini according to package directions until al dente. Reserve 1/2 cup pasta water before draining.
03 - Heat olive oil in a large skillet over medium heat. Add garlic and shallot; sauté 2 minutes until fragrant.
04 - Stir in cherry tomatoes and red pepper flakes. Cook 4–5 minutes, stirring occasionally, until tomatoes begin to soften.
05 - Pour in white wine and simmer 2 minutes. Add lobster stock and continue simmering 3 more minutes.
06 - Stir in butter, lemon zest, and lemon juice. Add chopped lobster meat and cook gently 2–3 minutes until warmed through. Season with salt and pepper.
07 - Add drained bucatini to the skillet and toss thoroughly, adding reserved pasta water as needed to achieve a silky sauce consistency.
08 - Remove from heat and stir in fresh parsley. Divide among plates and serve immediately.