Put about ½ cup of vegetable oil in a pan. Add chopped white onion, celery and garlic and sauté until tender. Add a can of crabmeat and mix thoroughly. Add bread crumbs again mixing well into the crabmeat and veggies. The breadcrumbs can be added to your desired consistency. Add Parmesan Cheese and set aside and keep warm.
Put ½ Cup of Vegetable Oil and ½ stick of butter in a pan and slowly heat. Add 1 whole sliced white onion and sauté until tender. Place the trout on top of the onions and cook for about 4 minutes on each side or until the eyes turn completely white. Remove from pan. Place several leafs of lettuce on a plate add the onions and place the trout on top of the onions. Place the Crabmeat Stuffing over the Trout and serve.