Originally inspired by The Gilmore Girls, these coffee cake cookies are made with a soft and chewy cinnamon-infused brown sugar cookie with a crumb topping and vanilla glaze!
Prep: Preheat the oven to 365°F. Line two baking sheets with parchment.
Beat: In a large bowl or the bowl of a stand mixer, beat together 3/4 cup butter, 3/4 cup brown sugar, and 1/4 cup white sugar. Add 1 egg, egg yolk and 1 Tablespoon vanilla and mix to combine.
Mix in 2 1/4 cups flour, 1 teaspoon cornstarch, 1 teaspoon baking soda, and 3/4 teaspoon salt until combined.
Scoop: Use a medium cookie scoop (or Tablespoon) to scoop the dough into 2-inch balls and place on prepared baking sheets. Use a Tablespoon to make an indentation in each cookie dough balls. Refrigerate pan while making crumb.
Mix together 1/2 cup flour, 1/3 cup brown sugar and 1 1/2 teaspoons cinnamon in a small bowl. Then mix in 5 Tablespoons softened butter with a fork. Fill the crumb topping in the center of the cookies.
Bake 8 minutes, or until lightly golden around the edges.
Cool: Remove from oven and let cool a few minutes on the baking sheet before removing to a cooling rack to cool.
Whisk together 1 cup powdered sugar, 2 Tablespoons melted butter and 2-3 Tablespoons whole milk. Then drizzle over the top of the cooled cookie.
Notes
Make ahead: This dough can be made 24 hours in advance and stored in the refrigerator until ready to bake.Storage: Store in an airtight container for 3 days or freeze up to 3 months. Thaw overnight in the refrigerator before enjoying, or leave at room temperature.