Start with making the syrup! Combine 1/4 cup of water and 1/4 cup of brown sugar in a small pot, heat until melted together and let cool. Store in a container.

In a mason jar or shaker, add in the coffee, brown sugar syrup and ice. Give a good shake. If using a shaker, pour into your favorite glass and top with oat milk, if using a mason jar, take the lid off and top with oat milk.