Preheat oven to 350°F and grease a 8×8 inch cake pan.

To make the cinnamon sugar filling, combine all the ingredients in a bowl. Mix them well. Set aside.

To make the cake batter, combine the dry ingredients in a bowl. Place sugar and butter to a mixer bowl and beat on medium speed until light in color and fluffy.

Add yogurt and mix until well incorporated. Add milk and mix until well incorporated. Add the eggs and vanilla extract and mix until smooth.

Add the dry ingredients to the mixture and mix until smooth.

Pour the batter into the prepared pan and spread into an even layer.

Drizzle the cinnamon sugar filling over the top of the cake. Swirl it around with a skewer or toothpick.

Bake for 24-25 minutes, or until a toothpick inserted comes out with a few crumbs, then remove from the oven to cool.

To make the glaze, using a whisker, mix all the ingredients except powdered sugar in a bowl until smooth. Add the powdered sugar. Whisk it until smooth. Add more milk as needed, if it is too thick. Add more powdered sugar if it is too thin.