Enter the softened butter with sugar, stir well.
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With a small velocity, mix and stir chocolate in a mixture of butter and sugar with a mixer.
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Put the eggs one by one, mix with the mixer.
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Enter the vanilla extract into the dough.
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In a separate bowl, mix the flour, cocoa powder, and salt.
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Put the dough dry in wet mixture, stirring with mixer.
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Form the dough so round, then flatten.
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Preheat the oven and then bake the dough that has been formed in the oven until cooked, about 10-15 minutes (depending on the type of oven and oven temperature).
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Let brownies cookies cool first, then sprinkle with refined sugar.
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Brownies cookies are ready to be stored in jars or other sealed containers.
