To prepare a baby salmon stuffed with caviar ii mousse seafood recipe, first you will need to prepare your salmon. Cut the salmon in half lengthwise and remove the skin. Place the fillets on the cutting board. Fill the cavity of each salmon half with about 2 tablespoons of the mousse. Top with the remaining mousse and place the cut salmon on top. Cover with plastic wrap and refrigerate until firm, at least 1 hour.