Ingredients

• 1 cup white sugar
• 1/2 cup buttermilk
• 1/2 cup butter
• 1 teaspoon vanilla extract
• 1 teaspoon baking soda

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Instructions

1. Combine sugar, buttermilk, and butter in a large saucepan over medium heat; cook and stir until melted and smooth, about 4 minutes. Stir in vanilla extract. Add baking soda and stir until syrup is frothy and doubles or triples in volume, about 1 minute.