Rhubarb Cake With Butter Sauce Recipe

Ingredients

• 2 cups fresh rhubarb, chopped into 1/2-inch pieces
• 1 1/4 cups granulated sugar
• 2 cups all-purpose flour
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup unsalted butter, softened
• 2 large eggs
• 1 teaspoon vanilla extract
• 3/4 cup buttermilk
• 1/2 cup unsalted butter
• 1 cup packed light brown sugar
• 1/2 cup heavy cream