Preheat oven to 350°F.
Line a Spring form pan with foil.
Melt chocolate and butter together in a small saucepan over low heat.
In a large bowl, whisk together eggs and brown sugar. Beat until smooth. Add the chocolate mixture slowly. Stirring well to combine.; add vanilla.
In a medium bowl sift together all remaining ingredients. Add to wet mixture; stirring just enough to combine (will be very wet.)
Pour into pan and bake for 30-35 minutes until set. Cool on a wire rack. Garnish with fresh berries before serviing.
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