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One of the origin stories for the brownie was a 1905 home cook who adapted a cookie recipe to fit in a rectangular pan (via The Nibble ... chocolate into a biscuit recipe or a home cook who ...

Buttery biscuit base, fudgy brownie centre and a smooth chocolate ... until you start to see light brown solids form at the bottom of the pan. Remove the brown butter from the heat and immediately ...

In a food processor, whizz the biscuits to a fine crumb ... it should sink down slightly as it cools). 5. Once the brownie base is cooled, put the custard, chocolate and vanilla in a pan and cook over ...