We eat so much grilled or baked salmon at home I venture away from the original butter salt pepper recipe quite a bit. More for variety than not liking the flavor.

2 great and easy go-to's of ours are:

BBQ Sauce glaze. I paint the fillet with soy sauce for salt/flavor rather than salt, then glaze it with my favorite BBQ sauce. Grill and enjoy, its really good.

Second is mayonnaise. Sounds funky but think FAT. Salmon is not very fatty, hence adding oil or butter to it. I do the same paint with soy sauce, then glaze with mayonnaise or chipotle mayo. To that you can add all sorts of things if'n you're feeling gluttonous. I have done mayo, backon crumbles, and parmesean cheese, then cooked the whole thing in the Treager for added smoke flavouring.

For those guests or family that do not prefer the classic oil and salt flavor the above 2 recipes are sure to please. I've been told on more occasion than one that the "loaded" version with mayo, baco, and cheese was the "best salmon they've ever had".
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When I grow up I want to be,
One of the harvesters of the sea.
I think before my days are done,
I want to be a fisherman.