It’s super rich, buttery, and topped with delicious salted caramel sauce

– 1 cup unsalted butter (make sure it’s at room temperature) – 2 cups granulated sugar – 4 large eggs (room temperature) – 2 tsp vanilla bean paste (or vanilla extract) – 1 cup buttermilk – 3 cups all-purpose flour (scooped and leveled) – 1 tsp baking powder – ½ tsp baking soda – ½ tsp salt – 1 ½ cups salted caramel sauce (store-bought or homemade)