In a medium bowl, stir together the bread crumbs, red pepper, yellow pepper, green onions, jalapeno, butter, crabmeat, and mozzarella cheese. Arrange grouper fillets in a single layer in a 9x13 inch baking dish.
Meanwhile, for sauce, in a large skillet, saute the onions, red pepper, green onions and garlic in butter until tender. Stir in flour and seafood seasoning until blended; gradually add cream. Bring to a boil; cook and stir for 2 minutes or until thickened. Gently stir in crab meat; heat through. Serve with fish.
Stir in flour and seafood seasoning until blended; gradually add cream. Bring to a boil; cook and stir for 2 minutes or until thickened. Gently stir in crab meat; heat through. Serve with fish.