Preheat the oven to 425.
Heat 1 tbsp of butter along with olive oil in a medium saucepan over medium high heat then saute crab, crushed crackers, shallot and minced garlic until there is some color then set aside.
Add mayo (or yogurt), hot sauce, parsley, 1 tsp of cajun seasoning, garlic powder, onion powder, Old Bay, cumin and lemon juice to a medium bowl and whisk until completely combined.
Next fold in crab cracker mixture until combined.
Line a baking sheet with parchment paper then using a paring knife, slit a pocket into the center of each salmon fillet and fill with crab filling.
Sprinkle the remaining cajun seasoning on top of the fillets then divide 2tbsp remaining butter and add to the top.
Bake for 20 minutes.
In a saucepan over medium heat, add 1 tbsp of butter then add shallots and minced garlic clove and saute until tender and fragrant.
Next add wine, lemon juice along with cajun seasoning and bring to a boil for a few minutes then turn off the heat and add the rest of the butter and whisk together and serve with salmon.
