||Combine butter, spring onions, parsley, garlic and lemon. Divide into six portions. Roll each portion into a small cylinder.
||Place 1 portion on each slice of beef. Roll up, folding in edges to secure filling.
||Coat lightly with flour.
||Dip into beaten egg and coat with crumbs, pressing firmly.
||Repeat step 4 to ensure that filling does not leak when cooking.
||Heat 20 ml oil in large frying pan over moderately high heat.
||Cook beef for 15 minutes, turning frequently to ensure even browning and crisping of crumbs.