1. Preheat oven to 350°. Microwave chocolate and butter in a large microwave-safe bowl at HIGH 1 to 1 1/2 minutes or until melted, stirring at 30-second intervals. Whisk in granulated sugar. Add eggs, 1 at a time, whisking just until blended after each addition. Whisk in flour, next 4 ingredients, and 1/4 tsp. salt.
2. Pour batter into a greased (with butter) 2-qt. baking dish. Stir together sliced almonds, next 2 ingredients, and remaining 1/4 tsp. salt. Sprinkle almond mixture over cake batter. Bake at 350° for 30 minutes. (Center will be soft.) Cool on a wire rack 5 minutes. Serve warm.