Heat 1 tbs oil in a saucepan over medium-low heat. Add onion, celery and a good pinch of sea salt, then cook, stirring occasionally, for 5 minutes or until softened. Add garlic, tomato and 1/2 cup (125ml) water, increase heat to medium and bring to a simmer. Cook for 10-12 minutes until slightly thickened and reduced. Add crabmeat and cream to tomato sauce and cook for 1 minute or until warmed through. Add to pasta and toss to combine. Divide pasta among bowls and top with parsley crumbs, and serve with an extra celery stalk.
Cook pasta in a saucepan of boiling salted water according to packet instructions. Drain, then return pasta to the pan. Add vodka and remaining 80g butter, then stir until melted and combined. Remove from heat.
Melt 20g butter and remaining 1tbs oil in a frypan over medium-high heat. Add breadcrumbs and cook, tossing occasionally, for 2-3 minutes until golden and crisp. Remove from heat and stir through parsley and lemon zest.