Wash the nectarines under cold water.

Cut the nectarines in half, remove the pit, and slice them into wedges.

Place a large skillet over medium heat and add the butter.

Melt the butter completely, swirling it around the pan.

Carefully add the nectarines to the skillet.

Sprinkle the brown sugar, cinnamon, and vanilla extract over the nectarines.

Cook for about 10-12 minutes, stirring occasionally until the nectarines are tender and caramelized.

Remove from heat and let cool slightly. Serve warm over vanilla ice cream or alone.