Preheat oven to 350°F. Line baking sheets with parchment paper.
In a large bowl, cream together softened butter, honey, and sugar until light and fluffy, about 3 minutes.1/2 cup unsalted butter,1/2 cup honey,1/4 cup granulated sugar.
Beat in egg and vanilla extract until well combined.1 large egg,1 teaspoon vanilla extract.
In a separate bowl, whisk together flour, cornstarch, baking soda, cinnamon, and salt.1 3/4 cups all-purpose flour,1/4 cup cornstarch,1/2 teaspoon baking soda,1/2 teaspoon ground cinnamon,1/4 teaspoon salt.
Gradually add dry ingredients to wet ingredients, mixing until just combined.
Stir in milk to bring cookie dough together and achieve the right dough consistency.
Drop rounded tablespoons of dough onto prepared baking sheets, spacing them 2 inches apart.
Bake for 10-12 minutes until edges are lightly golden. Centers will look slightly underbaked.
Cool on baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
Notes
Don't over mix once you add the flour, and pull them from the oven when the centers still look a little soft.