"Learn how to make chocolate swiss meringue buttercream with this comprehensive guide and step by step recipe! Get perfect chocolate buttercream every time...."
INGREDIENTS
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1 cup egg whites (about 7 - 8 egg whites)
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2 ½ cups white sugar
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¾ - 1 tsp salt
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4 sticks unsalted butter (at about 60°F / 16°C and cut into cubes.)
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12 oz bittersweet chocolate
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2 tsp vanilla extract
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1 tsp coffee extract or ½ tsp instant coffee (optional)