Melt butter in a small saucepan and bring to a boil.
Lower to a simmer and stir constantly until an amber color 5-10 mins.
Let cool.
Heat oven to 350F.
Line a 9x13-inch baking dish with nonstick foil.
In a bowl, mix browned butter and brown sugar.
Add eggs, vanilla, baking powder, and salt and stir.
Add flour and mix until just incorporated.
In a small bowl, combine the sugar and cinnamon -this is the "churro" mix.
Sprinkle half of cinnamon sugar into bottom of your pan.
Press dough on top of cinnamon sugar.
Sprinkle on the rest of the cinnamon sugar and bake for 25-30 minutes.
Once cooled, cut into sticks.