Ingredients

2 lemons, sliced into rounds

1 large salmon fillet (about 3 lbs.)

Kosher salt

Freshly ground black pepper

4 tbsp. melted butter

3 cloves garlic, minced

2 tbsp. whole-grain mustard

2 tsp. Cajun seasoning

1 tsp. fresh thyme leaves

Pinch of crushed red pepper flakes 

Thinly sliced green onions, for serving

Preparation

Step 1Preheat oven to 350° and line a large baking sheet with foil. Lay lemon rounds in an even layer in center of pan. Place salmon on top and season with salt and pepper.Step 2In a small bowl, combine melted butter, garlic, mustard, Cajun seasoning, thyme, and red pepper flakes. Brush all over salmon. Step 3Bake until salmon is cooked through, about 25 minutes. Switch oven to broil, and broil for 2 minutes, or until butter mixture has thickened.Step 4Garnish with green onions before serving.