Melt 1 T margarine or butter over medium heat in a medium saucepan. Saute the onions, celery, bell pepper and carrots for 2-3 minutes.
Drain the crab meat. Flake it into a medium bowl. Add sauteed vegetables. Add the breadcrumbs, baking mix, worcestershire sauce, salt, pepper, and old bay seasoning. Lightly beat the egg and add them to the mix. Stir to moisten all ingredients.
Heat the 1 T oil and 1T margarine or butter over medium heat in a large frying pan. Divide the mixture into 4 large patties. Fry in the hot pan for 3 minutes per side til golden.