Ingredients
Equipment
Method
- Heat the oven to 350°F.
- Line two 18x13-inch baking sheets with parchment paper.
- In a large bowl, beat the butter and 3/4 cup sugar until creamy, about 2 minutes.
- Beat in the egg and vanilla until combined.
- In a medium bowl, whisk together the flour, cocoa powder, baking soda, and salt.
- Mix the dry ingredients into the butter mixture just until no dry streaks remain.
- Cover the dough and chill for 30 to 45 minutes, until firm enough to roll.
- Put the remaining 1/4 cup sugar in a small bowl.
- Shape the dough into 30 balls about 1 inch wide.
- Roll each ball in the sugar.
- Arrange the dough balls 2 inches apart on the baking sheets.
- Bake at 350°F for 9 to 11 minutes, rotating the sheets and switching their rack positions halfway through, until the edges are set and the tops look slightly cracked.
- Immediately press one Rolo into the center of each cookie.
- Let the cookies cool on the baking sheets for 5 minutes.
- Transfer the cookies to a wire rack.
Notes
For evenly sized cookies, shape all 30 dough balls to about 1 inch wide. Store in an airtight container in the refrigerator for up to 5 days; freeze for up to 2 months.
