1 Prepare lasagne according to package directions; drain.2 Preheat oven to 350-o F. Melt margarine in large saucepan over low heat. 3 Add onion, squash and carrots. Cook the vegetables over low heat until very soft. 4 Stir in flour with a wooden spoon. Gradually stir in the milk until the mixture is smooth.5 . Bring the mixture to a boil and stir in raisins, salt and pepper.6 . Remove from heat and set aside 1 cup.7 In a 9 x 13 x 2-inch baking dish, spread a little of the vegetable sauce over the bottom and cover with lasagne.8 . Sprinkle provolone over lasagne and add more vegetable sauce. 9 Continue to layer sauce, provolone and lasagne, ending with a layer of sauce. Sprinkle top with Parmesan and nuts. 10 Bake uncovered for 40 minutes until nicely browned and heated through.