Preheat your oven to 400 degrees F.
Line a baking sheet with foil and lightly grease it with cooking spray or olive oil.
In a small bowl, mix the sauce ingredients together.
Arrange the pineapple slices in a single layer on the prepared baking sheet.
Place the salmon fillet on top of the pineapple layers.
Brush the sauce mixture generously over the salmon.
Bake for about 15 minutes or until just cooked through.
Squeeze some fresh lime juice on top of the dish.
Garnish with chopped peanuts, cilantro, and green onions for an added layer of flavor.
Serve with lime slices on the side.