Bring a medium-sized pan of salted water to the boil.
Add the olive oil to a small frying pan over a medium-low heat, add the garlic and lemon zest and sauté for 1 minute.
Add the pappardelle pasta to the pan of boiling water and cook as per the packet instructions. Drain and place in the pan with the garlic and oil, add in the crab, peas, crème fraîche and fresh herbs, allowing the residual heat from the pasta to warm everything through.
Season generously with salt, pepper and lemon juice to taste.