Brown the butter

• Melt the unsalted butter in a saucepan over medium heat until golden and nutty.
• Let it cool slightly before using.

Mix the wet ingredients

• Add the white sugar and brown sugar to the browned butter.
• Add the eggs and vanilla extract and whisk until smooth.

Add the dry ingredients

• Add the flour, baking soda, salt and cinnamon.
• Mix until a cookie dough forms.

Chill the dough

• Cover the dough and refrigerate it.

Make the cinnamon sugar

• Combine the remaining cinnamon with a little sugar for coating.

Shape and coat the cookies

• Roll the chilled dough into balls.
• Roll each ball in the cinnamon sugar and crushed cinnamon cereal.
• Place them on a baking tray.

Bake

• Bake at 175 °C until the edges are set and the centers are soft.

Cool and serve

• Let the cookies cool on the tray for a few minutes.
• Serve, ideally dipped in milk.