Caramelized Onion Lasagna PT100M https://img4.recipesrun.com/201907/2019/1111/bc/7/483261/300x200x90.jpg This unusual lasagna with portobello mushrooms, sweet onions, spinach and Gorgonzola cheese has a rich, complex flavor. It's also great with goat cheese instead of Gorgonzola, if you prefer. 9 servings Ingredients: ¼ cup chopped fresh basil ⅓ cup chopped walnuts 2 oz. crumbled Gorgonzola cheese ½ tsp. salt 2 cups low-fat milk 3 tbsp. all-purpose flour 2 tbsp. extra-virgin olive oil ½ tsp. salt ½ cup chopped fresh basil 2 cups nonfat ricotta cheese 4 cups baby spinach Freshly ground pepper, to taste 1 tsp. salt ½ cup red wine 4 medium portobello mushroom caps, gills removed, diced 3 large sweet onions, thinly sliced (about 10 cups) 3 tbsp. extra-virgin olive oil 8 oz. lasagna noodles, preferably whole-wheat