Martha Stewart Living, December
- 6 tablespoons chilled unsalted butter cut into small pieces, plus more for pan and bowl
- 3 cups sugar
- 1 tablespoon Valrhona cocoa powder
- Large pinch of fine sea salt
- 3 tablespoons light corn syrup
- 1 cup milk
- 4 ounces Callebaut unsweetened chocolate finely chopped
- 2 teaspoons pure vanilla extract
- Butter an 8-by-8-inch straight-sided baking pan. Line with parchment paper; set aside. Butter a large, shallow, stainless-steel bowl; set aside.
- In a 3-quart saucepan, whisk to combine the sugar, cocoa, and salt. Place over medium-low heat, and add corn syrup and milk, stirring until smooth. Add chocolate. Cook, stirring, until chocolate is melted and sugar dissolved before it reaches a boil. Brush down sides of saucepan with a pastry brush dipped in water to prevent crystallization. Increase the heat to high, and cook until it reaches 236 degrees (soft-ball stage).
- Pour into prepared bowl without scraping the sides of the saucepan. Dot top with butter. Let cool to 110 degrees to 118 degrees on an instant-read thermometer without disturbing, about 1 hour. Add vanilla. Using a plastic dough scraper, transfer to the bowl of an electric mixer. Using the paddle attachment, beat on low speed until the butter and vanilla are completely incorporated. Increase speed to medium, and beat, stopping occasionally, until fudge keeps its shape when dropped from a spoon and sheen is gone, 3 to 8 minutes. Using a clean plastic dough scraper, transfer to prepared baking pan, spreading evenly. Before fudge sets completely, score with a knife into 1-inch squares. Let stand until completely cooled. Store in an airtight container in a cool, dry place for up to 2 weeks.
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