Preheat the oven to 400°F In a sauté pan, spray with non-stick cooking spray. Add the onions, garlic, celery, and peppers. Sauté for 2 minutes, or until the vegetables are wilted.
Season with Old Bay. Sauté for 2 minutes. Remove from the heat and place mixture into a bowl. Gently stir in the crabmeat, then the bread crumbs a little at a time, adding more as needed to gently bind. Set aside to cool.
Season the fish with salt and pepper. Place equal amounts of filling onto each fillet and roll up. (alternatively, you can place one fillet on the baking sheet, place filling atop the fillet, then place another on top, off to the side, to resemble a pocket of stuffing).
Place the fish on a baking dish seam side down. Drizzle top of fish olive oil then sprinkle with paprika and a splash of lemon juice. Place the pan in the oven and bake for 20-25 minutes.
Remove the fish from the oven and serve with lemon wedges and broccoli sprayed with a few sprays of no-fat butter spray. Have the fruit for dessert.