AT A GLANCE
|01||For barbecue sauce, heat butter in a large saucepan over low heat, add onion and garlic and stir occasionally until very tender (10-15 minutes). Increase heat to medium, add bourbon, bring to the simmer, then add remaining ingredients except lemon juice. Reduce heat to low and stir occasionally until thick and dark (45-50 minutes). Add juice, season to taste, pour into sterile containers or jars, seal and refrigerate to cool. Makes about 1 litre. Barbecue sauce will keep refrigerated for 3 weeks in a sterile airtight container.|
|02||Preheat a barbecue to medium heat. Drizzle steak with a little olive oil, season to taste and barbecue, turning frequently, until cooked to your liking (15-20 minutes for medium-rare). Set aside to rest for 10 minutes then thickly slice.|
|03||Meanwhile, drizzle cut-sides of ciabatta with a little oil, season to taste, grill on barbecue until toasted (1-2 minutes), set aside.|
|04||Drizzle onion with a little oil, season to taste and barbecue on the flat plate, stirring occasionally, until tender (5-10 minutes). 5 Spread cut-sides of ciabatta with mayonnaise, divide steak among ciabatta, top with tomato, onion and rocket, season to taste and serve with barbecue sauce.|
Note Canned chipotle chillies in adobo and chipotle Tabasco are available from select grocers and delicatessens.