Preheat oven to 425°F and position rack in the centre.
Pat salmon dry with a paper towel and place, skin-side down, on a baking sheet. Rub with olive oil, drizzle with lemon juice, and season with salt and freshly ground pepper. Set aside.
1 ½ lb salmon fillet
2 tsp extra virgin olive oil
juice of ½ lemon
½ tsp salt
¼ tsp black pepper
Wash leeks and trim ends. Slice on the diagonal into ¼ inch thick pieces.
6 leeks
Heat a skillet over medium heat.
Peel and mince garlic.
6 cloves garlic
Place salmon in the oven and roast until it's opaque, 10-15 minutes (depending on thickness).
Melt butter in skillet. Add garlic and stir until fragrant, 15-30 seconds. Add leeks and season with thyme, salt, and freshly ground pepper; stir to coat in the butter. Reduce heat to low and cook, stirring occasionally, until leeks are tender, about 10 minutes.
6 tbsp butter, unsalted
1 tsp thyme
½ tsp salt
¼ tsp black pepper
Serve salmon with buttered leeks on the side. Drizzle with juice from remaining ¼ lemon and enjoy!