Macaroni with Meat Sauce

「マカロニは塩を加えたお湯で茹でる」。Boil macaroni with salted boiling water.
「挽肉をよく炒める」は、 Fry mince until it becomes brown.
「玉葱をよく炒める」は、Fry finely cut onions until it becomes golden brown.
「ケチャップを加えて混ぜ合わせる」は、Add ketchup and stir-fry until they are mixed.