"This Broiled Salmon from Delish.com will be your favorite go-to salmon recipe...."
(4-oz.) salmon fillets
Grainy mustard
cloves garlic, finely minced
finely minced shallots
fresh thyme leaves, chopped, plus more for garnish
fresh rosemary, chopped
Juice of 1/2 lemon
kosher salt
Freshly ground black pepper
Lemon slices, for serving