Step 1

Preheat oven to 375.

Step 2

Cream butter and sugar with an electric mixer until smooth.

Step 3

Add egg and vanilla, mixing well until combine, about 2 minutes.

Step 4

Stir in flour, baking powder, salt, and 1 1/2 teaspoons cinnamon. Mix until dough comes together. Add in milk. If dough is still crumbly, add milk 1 tablespoon at a time until it comes together. Refrigerate for 30 minutes.

Step 5

In a bowl combine remaining sugar and cinnamon. Remove dough from fridge and roll into big 1 1/2 inch balls. Roll in cinnamon sugar mixture and place on baking sheet. Lightly press down on dough to flatten it. Bake at 375 for 10-12 minutes.