Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: cook pasta in salted boiling water. shred cheddar and swiss cheese. melt butter then add flour, mustard powder and onion powder to make a rue. let the rue cook gently for a few minutes. add milk and worcestershire sauce to rue and continue to cook over low heat until thoroughly combined. add shredded cheese to sauce mixture. pour sauce over pasta and transfer to baking dish. bake at 375 for 25 minutes until browned.

Target recipe: bring a large pot of water to boil; cook pasta until al dente. while pasta is cooking, in med saucepan, melt 2 t of the margarine. remove from heat; add flour and stir until blended. whisk in stock and milk, stirring over med heat until mixture comes to a boil and thickens. reduce heat to low. stir in cheeses and seasonings. continue stirring until cheese is melted. remove from heat and set aside. in a large skillet, melt remaining 1 t margarine. add remaining ingredients. cook vegetables, stirring constantly, for about 5 minutes, until tender/crisp. reduce heat to low. when noodles are done, drain well. toss with vegetables; stir in cheese sauce. garnish with scallion curls.