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