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1
Preheat oven to 375u00b0F. Line a baking sheet with parchment paper and set aside.
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2
In a medium bowl, mix flour, cocoa powder and baking soda. Set aside.
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3
In a large mixing bowl, beat brown sugar, 1 cup white sugar, and softened butter until creamy and fluffy. Add eggs one at a time, beating well after each addition. Stir in vanilla.
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4
With the blender on low speed, gradually add in flour mixture, mixing just until incorporated. Fold in 1/2 cup chopped walnuts and mix to combine.
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5
In a small dish, mix remaining 3/4 cup walnuts with 3 tablespoons white sugar.
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6
To prepare the cookies, scoop dough into 1 to 1 1/2 tablespoon-sized balls. Indent center of dough balls with your finger and place in one unwrapped Rolo candy. Roll dough balls in hands until the Rolo is completely covered in dough.
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7
Gently roll prepared dough ball in the walnut-sugar mixture. Move prepared dough balls to the prepared baking sheet. Place dough 2 inches apart on the baking sheet. Repeat with remaining dough balls.
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8
Bake cookies 9 to 12 minutes or until set and slightly cracked. Allow cookies to cool on the baking sheet for approximately 2 minutes before moving to a wire rack to cool. Store in an airtight container.
