<human>:  How do you make caramel sauce?
<bot>: To make caramel sauce, start by combining 1 cup of white sugar and 1/4 cup of water in a saucepan over medium heat. Stir until the sugar has dissolved, then increase the heat to medium-high. Boil the mixture until it turns a deep golden brown color. Remove from the heat and whisk in 1/4 cup of butter until it melts. Whisk in 1/4 cup of heavy cream and a pinch of salt until the mixture is combined. Allow the caramel sauce to cool before serving.