Step 1

Preheat oven to 350°F (180°C), and lightly grease a few large baking sheets.

Step 2

Cream butter, sugar, and vanilla.

Step 3

Whisk in the egg until relatively smooth.

Step 4

Mix the flour, baking powder, baking soda, salt, cream of tartar, and cinnamon.

Step 5

Combine the wet and dry ingredients with your hands until you have a well-incorporated dough.

Step 6

Mix all coating ingredients in a small bowl.

Step 7

Form balls about 1 inch (2 ½ cm) across, and roll generously in the coating mixture.

Step 8

Bake for 7-10 minutes, or until nicely-shaped and barely starting to brown on the edges. Don’t overdo it!