In a large skillet, melt the butter over medium heat, ensuring it doesn't brown.
Add the brown sugar, ground cinnamon, and nutmeg to the melted butter, stirring constantly until all the sugar is dissolved and the mixture is bubbly.
Carefully place the banana halves in the skillet, cut side up, and cook for about 1-2 minutes until they soften.
Gently flip the bananas and cook for another minute on the other side.
Reduce the heat to low and slowly drizzle in the heavy cream while stirring, then add the vanilla extract. Cook for an additional minute to combine the flavors.
Remove from heat and let it sit for a minute.
To serve, place a scoop of vanilla ice cream in a bowl or on a plate, and spoon the warm banana sauce over the ice cream.
Notes
Serve the Bananas Foster in deep bowls with the sauce generously layered on top of the ice cream. Garnish with a sprinkle of cinnamon or a mint leaf for an extra touch.