chocolate and peanut butter treats

Mmmm! Doesn't it look good? I adapted this recipe by substituting the flour by whole-wheat flour and by cutting the amount of butter and sugar, but I promise you no-one could tell!!!
.

Chocolate and peanut butter treats
28 treats
.
1 1/2 cup whole-wheat flour
1/2 cup unsweetened cocoa powder
1/2 teaspoon baking soda
1/3 cup butter
1/3 cup brown sugar
1/3 cup sugar
3/4 cup peanut butter
1 egg
2 tablespoons milk
3/4 cup powdered sugar

1. In a large bowl, mix the flour, cocoa, and baking soda.
2. In another bowl, blend the butter, brown sugar, sugar, 1/4 cup peanut butter, egg, and milk until smooth.
3. Add to the flour mixture and combine until homogeneous.
4. Shape the dough into 28 balls.
5. In another bowl, combine the remaining 1/2 cup peanut butter and the powdered sugar and mix until smooth.
6. Shape into 28 balls.
7. Halve a cocoa ball and place a peanut butter ball between. Flatten and place on a cookie sheet covered with parchment paper.
8. Bake in a preheated oven at 350°F for 8 minutes.
   

Nutrition facts
[for 1 treat]
120 calories, 6 g fat, 2.3 g saturated,
15 g carbs, 2 g fibers, 3 g protein