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How to make berry and macadamia nut brownies
Preheat oven to 140c fan forced or 160c for non fan forced.
Line a 20 x 30 cm lamington/slice pan with baking paper.
Gently melt butter over low heat and stir in cocoa.
Stir until smooth and take off the heat. In a food processor, pulse the still frozen berries to make berry " crumbs ".