These super-juicy mushroom burgers are packed full of big umami flavours. The dried porcini powder in the butter adds an incredible savoury depth, which is enhanced with chilli, garlic and lemon zest. A thick slice of glazed halloumi makes each burger satisfyingly chunky.
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This recipe was supplied courtesy of the Big Jubilee Lunch. For more celebrity recipes and a free event pack, go to thebigjubileelunch.com