This recipe comes together quickly, so make sure you have a timer nearby and all your ingredients ready!
In a 12 in [30 cm] nonstick skillet over medium heat, melt the butter.
Sprinkle the sugar and cinnamon over the melted butter.
Lay the banana slices, cut-side up, over the sugar mixture and cook for 25 seconds before splashing in the rum.
Cook for 10 seconds, flip the bananas, and cook for another minute.
Use tongs to transfer the bananas onto a serving platter and drizzle any lingering sauce from the skillet over the bananas.
Serve warm. The bananas lose their texture over time, so make this dish right before serving.