fray bentos minced beef & onion pie (425g) 牛ひき肉と玉ねぎパイ弁当ほつれ( 425グラム) fray bentos the 'gentle pie. minced beef and diced onions, covered in a delicious meaty gravy, topped by our signature puff pastry. 牛ひき肉と玉ねぎパイ弁当ほつれ( 425グラム)