| Cooking spray | ||
| 2/3 | cup | all-purpose flour |
| 1 | cup | sugar |
| 1/2 | cup | unsweetened cocoa |
| 1/2 | cup | butter or stick margarine, melted |
| 2 | tablespoons | water |
| 1 | tablespoon | instant coffee granules |
| 1 | teaspoon | vanilla extract |
| 1/2 | teaspoon | baking powder |
| 1 | large | egg |
| 1 | large | egg white |
| 1/2 | cup | semisweet chocolate minichips |
| 1/4 | cup | fat-free hot fudge chocolate topping |