Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: preheat oven to 375 degrees f. lightly grease a 3 quart glass baking dish. cook pasta to al dente, according to package directions. drain well, and place in a large bowl. in a large saucepan, melt butter over medium heat. cook onion and celery, stirring until vegetables are tender. stir in flour, mustard, pepper, and salt. add milk all at once. increase heat, and cook and stir until sauce is thick and bubbly, whisking to remove lumps. gently fold sauce, tuna, and tomatoes into noodles. transfer mixture to prepared baking dish, optionally topping with chips. bake 20-30 minutes, until heated through. let stand 5 minutes before serving.

Target recipe: preheat oven to 425°f degrees. cook noodles, drain and set aside. while the noodles are cooking in a skillet melt half the margarine over medium heat sauté the onions and celery until tender about 7 minutes; set aside. in a bowl combine; cottage cheese and mayonnaise. stir in noodles and celery, onions, tuna, and worcestershire sauce. salt and pepper to your taste. put noodle mixture in a 1 1/4-quart casserole dish. sprinkle with crumbs and dot with remaining margarine. bake until it turns golden brown (about 25 minutes). serve immediately.