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1
Preheat oven to 350F.
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2
Note: The chocolate chip dough must be refrigerated for at least an hour, so let it chill while you are making the snickerdoodle side!
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3
Grease cookie sheets or use parchment paper.
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4
For the chocolate chip side:.
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5
Melt the butter in a medium saucepan over low heat.
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6
Sift together the flour, salt, and baking soda and set aside.
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7
Pour the melted butter in the mixer's work bowl.
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8
Add the sugar and brown sugar to melted butter.
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9
Cream the butter and sugars on medium speed.
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10
Add the egg, yolk, 2 tablespoons milk and vanilla and mix until well combined.
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11
Slowly incorporate the flour mixture until thoroughly combined.
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12
Stir in chocolate chips.
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13
Chill this dough for at least an hour before rolling into 3/4 inch size balls to match up with the snickerdoodle side.
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14
For the snickerdoodle side:.
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15
Stir together flour, soda, cream of tartar, and 1/2 teaspoon salt.
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16
Beat butter for 30 seconds; add the 2 cups sugar and beat until fluffy.
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17
Add eggs, milk and vanilla; beat well.
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18
Add dry ingredients to beaten mixture, until well combined.
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19
Form dough into 3/4 inch size balls.
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20
Roll balls in 3 tbsp sugar and 1 teaspoon cinnamon mixture.
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Take one of each ball and form them against each other (side to side) and flatten slightly.
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22
Bake until done.
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23
Enjoy.