Make this recipe a recipe that people in that category can eat. categories: ['gluten_free'], recipe: cook onions until tender. add mushrooms; set aside. make sauce of butter, cream cheese, flour, salt and milk. put onions and mushrooms in buttered casserole. pour sauce over top. cover with cheese and cracker crumbs. bake at 400 degrees for 30 to 40 minutes.

Target recipe: heat oven to 350°. toss onions with oil in a 9″ × 11″ baking dish and season with salt and pepper. bake, stirring occasionally, until soft and lightly browned, about 1 hour; set aside. heat oven to broil. heat butter in a 2-qt. saucepan over medium-high heat; add flour, and cook, stirring, until smooth, about 1 minute. add cream and wine, and cook, stirring, until thickened, about 5 minutes. season sauce with salt, pepper, and nutmeg. pour sauce evenly over onions. sprinkle with parmesan, dot with gorgonzola, and sprinkle with paprika; broil until cheese is melted and golden brown on top, about 2 minutes.