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["Step#1 Garlic Aioli: Mix mayonnaise and garlic together.", "Step#2 Set aside for 30 minutes+For the flavor to develop.", "Step#3 (do not keep for more than 3 days tops).", "Step#4 Caramelized Onion: Melt butter in a skillet over medium low heat.", "Step#5 Add onions and stir to coat in butter.", "Step#6 Place lid on (or place a baking tray over skillet).", "Step#7 Leave for 20 minutes, stirring once or twice.", "Step#8 . Remove lid then cook for a further 20 minutes.", "Step#9 Stir every now and then, until onion is golden.", "Step#10 (increase heat slightly if the color is not changing).", "Step#11 Add sugar, vinegar, salt and pepper.", "Step#12 Cook for a further 10 minutes until jammy.", "Step#13 Remove from heat and keep warm.", "Step#14 Beef: Take beef out of fridge 20 minutes before cooking.", "Step#15 Season generously with salt and pepper.", "Step#16 Heat oil in a skillet over high heat (or heat BBQ).", "Step#17 Cook steak to your liking.", "Step#18 if using a secondary cut like Bavette, skirt or flat iron, it's best medium rare.", "Step#19 Transfer beef to a plate, cover loosely with foil and rest for 5 - 10 minutes.", "Step#20 Then slice thinly against the grain.", "Step#21 Assemble sandwich: 1. Cut Turkish bread into 6"" lengths and split into half.", "Step#22 Toast lightly.", "Step#23 Spread the bottom piece generously with garlic aioli.", "Step#24 Top with rocket, then tomato slices, beef, caramelized onion.", "Step#25 Spread the top piece of bread with mustard then place on top.", "Step#26 Enjoy!"]
