Step 1

Preheat oven to 350° F. Lightly grease a 9-inch-square baking pan.

Step 2

Combine flour, baking powder and salt in a small bowl. Combine coffee granules and water in a medium saucepan; stir until coffee is dissolved. Add granulated sugar and butter. Cook over medium heat, stirring frequently, until mixture comes to a boil. Remove from heat; stir in morsels until smooth. Add eggs, one at a time, beating well after each addition. Stir in flour mixture. Pour into prepared baking pan.

Step 3

Bake for 30 to 35 minutes, or until wooden pick inserted in center comes out clean. Cool completely in pan on wire rack. Cut into squares; sprinkle with powdered sugar.