Heat oven to 350°F. Season salmon generously with salt and pepper. In a large sauté pan, sear salmon in olive oil and 2 tablespoons of butter. Place salmon in preheated oven to keep warm and to finish cooking for 10 minutes.

Add garlic to sauté pan and cook until soft. Add spinach and cook until wilted. Remove the spinach from pan and set aside. Add 3 tablespoons of butter to pan, plus white wine and chicken broth. Stir until sauce thickens, then add the juice of one lemon. Return salmon and spinach to the pan and add crab meat to combine with sauce. Plate the salmon and spinach, top with crabmeat and pan sauce.