Step 1

using a stand mixer or hand mixer with large bowl cream together the butter, granulated sugar and brown sugar until light and fluffy, about 3 minutes, scraping down the sides of the bowl as you go

Step 2

beat in the egg, once combined scrape down the sides of the bowl again

Step 3

with mixer on low, add the vanilla and stir until combined

Step 4

in a medium-sized bowl whisk together the flour, baking soda, cream of tartar and salt

Step 5

with mixer on low slow stir in flour mixture until just combined

Step 6

cover dough and place in the fridge for at least 1 hour*

Step 7

preheat oven to 350 F

Step 8

place parchment paper on a baking sheet

Step 9

roll 1/4 cup of dough into a ball

Step 10

place unwrapped Rolo into the center of the dough ball and roll again, making sure that candy is completely covered

Step 11

combine 1/2 cup sugar and cinnamon in a shallow bowl

Step 12

roll dough balls in the cinnamon sugar until covered

Step 13

place dough on baking sheet 3 inches apart (approx. 4 per baking sheet)

Step 14

bake for 15 to 18 minutes or until edges of dough are lightly browned and center is set

Step 15

allow to cool for 2 minutes on baking sheet then remove to cooling rack