Preheat oven to 425°F.
Rub salmon with olive oil liberally on both sides.
Season salmon with salt and pepper.
Line a baking sheet with parchment paper.
Place salmon, skin-side-down, on the baking tray.
Put tray in the oven and bake for 15 minutes.
As salmon is baking, combine guacamole ingredients in a large bowl.
Mash together guacamole ingredients until it reaches desired consistency.
Once salmon is finished cooking, remove from oven.
Distribute salmon fillets on 4 plates and top with guacamole.
Serve and enjoy!