Make this recipe a recipe that people in that category can eat. categories: ['gluten_free'], recipe: melt butter in a heavy large saucepan over medium-high heat. add garlic and saute 30 seconds. add onion and saute another 2 minutes or so. then add mushrooms and saute until tender, about 10 minutes. don't worry if the mixture seems too dry. reduce heat to medium, then add flour and stir another minute. add white wine and cook until mixture thickens, stirring frequently--about another 2-3 minutes. mix in sour cream, and season to taste with salt and pepper. add cooked linguine and toss to blend linguine with sauce. **adapted from a recipe in _bon appetit_.

Target recipe: saute onions and celery in butter in large pan over low heat until the onions are clear. add the'shrooms and cook until their juices begin to run, about 2 or 3 minutes. add the basil and oregano. stir in the flour and cook about a minute. add the vegetable stock, and cook gently for about 10 minutes. remove pan from heat, stir in the yogurt, add a little salt and pepper to taste. heat gently before serving, but don't bring to the boiling point, or it will begin to curdle and separate. stir in the parsley and serve.