Cook steak in a non-stick frying pan for 2-3 minutes until browned. Remove from pan. Add Leggo's Pasta Sauce, potatoes, carrots and Birds Eye Garden Peas to the pan, cover and simmer for 20 minutes, stirring occasionally.
Fold each sheet of filo pastry in half lengthwise then again to form a long strip. Roll up into a decorative bundle. Place on a baking paper lined tray, lightly spray with oil. Cook in a preheated oven at 180°C for 10 minutes until golden brown.
Return beef to pan and simmer for 2 minutes. Serve beef casserole with filo pastry.