Author/Submitted by: Bon Appetit July 1995
cut into pieces
Instant coffee powder
Brown sugar, packed
Chopped macadamia nuts
Whisk eggs in large bowl to blend. Whisk in sugar, vanilla and salt. Fold in chocolate mixture. Mix in flour, then nuts and ginger. Pour batter into prepared pan. Bake until tester inserted into center comes out with moist crumbs still attached, about 40 minutes. Cool in pan on rack. Cover and let stand at room temperature overnight. Cut into 16 squares.
Preheat oven to 325F. Butter 8x8x2-inch glass baking dish. Mix butter, chocolate and coffee powder in heavy medium saucepan. Stir over low heat until smooth. Cool, stirring occasionally.