3 ounces unsweetened chocolate, chopped
1 cup all-purpose flour
1/2 teaspoon baking powder
1/2 teaspoon baking soda
1/4 teaspoon salt
1/2 cup (1 stick) unsalted butter, softened
1 1/4 cups sugar
2 large eggs
1 teaspoon vanilla extract
1/2 cup sour cream
1 3/4 cups sugar
3 large egg whites
1/4 teaspoon cream of tartar
1 teaspoon vanilla extract
1/2 teaspoon almond extract
2 cups chopped (about 12 ounces) semisweet chocolate
3 tablespoons canola or vegetable oil