Melt butter in a large skillet over medium heat

Whisk in brown sugar

Add in apples, toss until coated in butter, cover and cook until butter is bubbling

Add in cinnamon and nutmeg, stir until spices cover apples

Cover again, and cook until desired tenderness, stirring every 4 minutes (Mine were perfect at 10 minutes)

Combine cornstarch and water in a small bowl, mix until cornstarch is dissolved. Pour cornstarch mixture into the skillet, mix and let simmer until thickened