Add cauliflower, smoked beer, salt and liquid smoke to a pressure cooker. Cook under normal pressure for 6 minutes, then release pressure according to manufacturer's instructions and remove lid. Strain cauliflower and place in a large bowl. Season with salt and pepper.
Add instant flour and cornstarch to a small bowl. Mix to combine. Sprinkle over cauliflower, tossing to coat all the florets.
Deep-fry until golden brown and crispy, about 4 minutes. Sprinkle with green onions and serve with BBQ Dipping Sauce on the side.
BBQ Dipping Sauce:
Mix together barbecue sauce, ketchup, chipotle powder and cocoa powder in a small bowl. Stir to combine.
This recipe has been updated and may differ from what was originally published or broadcast.