Preheat a fan forced oven to 175C / 350F (185C / 365F for no fan). Line a large baking tray with baking paper and set aside.

Rinse and dry salmon - Wash your salmon under cold running water, then pat dry with paper towels. Place on the baking tray and season with salt and pepper on both sides. If using salmon pieces, place next to each other so they’re touching. Set aside in the fridge

Melt butter for crumble - add the butter and garlic to a small saucepan and melt on low heat until bubbling. Continue bubbling on low heat for a couple minutes. Then take off the heat.

Finish crumble - To a mixing bowl, add the grated parmesan cheese, panko breadcrumbs, parsley, butter mixture and salt and pepper and use a spoon to mix until everything is coated in the butter.

Bake salmon - Add the breadcrumb mixture on top of the salmon spread over evenly. Spray with oil spray and place the tray on the middle rack of your oven and bake for 30 minutes. While the salmon is baking, make the dill sauce.

Add all ingredients into a mixing bowl and mix until well combined. Drizzle on top of the salmon before serving.