1
["1.", "Cook macaroni as directed on package, drain well.", "2.", "Preheat oven to 325F.", "3.", "Butter or spray a shallow 2-quart casserole dish (12x8x2"").", "You may want to add pats of butter to the bottom of the dish (I use 11).", "4.", "In a skillet, saute onion in a little butter or margerine, untill translucent.", "5.", "Add shreaded chicken into skillet and mix with onions, take off stove.", "6.", "In a large bowl, combine grated cheeses and green chilies with the cooked macaroni, chicken & onion.", "7.", "In the small bowl of the electric mixer, combine egg yolks, milk, flour, salt and pepper; mix until well blended.", "Add to the cheese/chicken mixture and mix together in the large bowl.", "8.", "In the large bowl of the electric mixer, add the egg whites and beat on high speed just until stiff peaks form when the beater is slowly raised.", "9.", "Using a rubber scraper, gently fold the beaten whites into the cheese mixture.", "10.", "Gently pour into the 2-quart casserole dish and put in the oven for 30 minutes.", "11.", "Remove from oven and arrange sliced tomatoes, overlapping, around the edge of the dish, bake 30 more minutes or until a butter knife is inserted into the center and comes out clean.", "Garnish with chives, serve hot."]
