Preheat oven to 375 degrees and grease a loaf pan

Using a large mixing bowl, whisk together the flour and 2 tbsp cinnamon

Whisk in the beer until combined

Using a small bowl, melt the butter and mix in the remaining 2tbsp cinnamon

Pour half the batter into the loaf pan

Swirl the cinnamon mix into the batter in the pan

Pour remaining batter onto the top of the cinnamon swirl

Bake for 45-50 minutes, until cooked through.

Cool for 10 minutes before removing from the pan.
Slice and enjoy!