Perfect Zesty Roast Salmon Every Single Time Ingredients FOR THE LEMON BUTTER SAUCE: 120ml lemon juice 200g chilled butter, diced salt & pepper FOR THE SALMON FILLETS: 2tbsp olive oil 1 fennel bulb, thickly sliced handful of dill, roughly chopped 2 lemons, thinly sliced 4 garlic cloves, whole 4 thick salmon fillets, with skin on Method Heat the oven to ...