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1
Preheat oven to 350 degree F.
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2
In a medium mixing bowl stir together flour, cocoa powder, and baking soda; set aside.
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3
In a large mixing bowl beat together butter, the 1/2 cup granulated sugar, brown sugar, and the 1/4 cup peanut butter with an electric mixer until combined.
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4
Add egg, milk, and vanilla; beat well.
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5
Beat in as much of the dry ingredients as you can with mixer.
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6
Stir in remaining dry ingredients by hand with a wooden spoon.
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7
Form chocolate dough into 32 balls about 1-1/4 inches in diameter.
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8
Set aside.
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9
For filling: Combine powdered sugar and 1/2 cup peanut butter until smooth.
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10
Shape mixture into 32 ( 3/4-inch) balls.
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11
On a work surface, slightly flatten a chocolate dough ball and top with a peanut butter ball.
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12
Shape the chocolate dough over the peanut butter filling, completely covering the filling.
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13
Roll dough into a ball.
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14
Repeat with the remaining chocolate dough and peanut butter filling balls.
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15
Place balls 2 inches apart on an ungreased cookie sheet.
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16
Lightly flatten with the bottom of a glass dipped in the 2 tablespoons granulated sugar.
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17
Bake cookies in preheated oven for 8 minutes or until they are just set and surface is slightly cracked.
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18
Let cookies stand for 1 minute.
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19
Transfer cookies to wire racks; cool.
