Prepare cake mix as directed on the box.

Combine brown sugar and cinnamon in a bowl; set aside.

Place cupcake liners in tins. Add cake batter to each cupcake liner with a spoon, just enough batter to cover the bottom. Sprinkle 1 tsp. sugar mixture over the batter. Then fill liners 2/3 full with batter and add another teaspoon of sugar mixture to the top. Swirl together with a toothpick.

Bake according to directions on the cake mix box.

When cool, frost with a 1M star frosting tip and sprinkle with cinnamon chips. OR frost with a knife when warm.