Ingredients
2 tablespoons butter1/2 ounce unsweetened chocolate, chopped1 large egg, room temperature1/4 teaspoon vanilla extract2/3 cup sugar1/3 cup all-purpose flour1/4 cup baking cocoa1/4 teaspoon salt1/4 teaspoon confectioners’ sugar, optional
Preparation
In a microwave, melt butter and chocolate; stir until smooth. Cool slightly.
In a small bowl, whisk egg and vanilla; gradually whisk in sugar. Stir in chocolate mixture. Combine the flour, cocoa and salt; gradually add to chocolate mixture.
Transfer to a 9x5-in. loaf pan coated with cooking spray. Bake at 350° until a toothpick inserted in the center comes out clean, 12-16 minutes. Cool on a wire rack. Cut into bars. Dust with confectioners’ sugar if desired.