- Heat oven to 350°F.
- Lightly coat a 10x15-inch jelly roll pan with cooking spray.
- In a medium bowl, whisk together flour and baking powder; set aside.
- Using an electric mixer on medium speed, beat together sugar and butter until combined and crumbly.
- Add eggs, water, vanilla and salt; beat until thoroughly combined, scraping sides of bowl as necessary.
- Reduce speed to low; gradually add flour mixture.
- Using a rubber spatula, fold in dates and walnuts.
- Spread batter in pan; bake for 20 to 25 minutes, or until a toothpick inserted into the center comes out clean.
- Allow to cool, cut into squares and dust with powdered sugar.
- Store in an airtight container or covered tightly with plastic wrap, at room temperature for up to 1 week.
Serves 12.
Approximate Nutrient Analysis per bar:
430 calories, 10 g fat, 2.5 g saturated fat, 65 mg cholesterol, 400 mg sodium, 79 g carbohydrate, 4 g fiber, 51 g sugar, 8 g protein