Ingredients:
For the cake:
1 ½ cups all-purpose flour
1 cup granulated sugar
¾ cup packed brown sugar
½ cup unsalted butter, softened
2 large eggs
½ cup buttermilk (or milk + ½ tsp vinegar)
¼ cup molasses (for rich butterscotch flavor)
1 tsp baking soda
½ tsp salt
½ tsp ground cinnamon (optional)
For the caramel icing:
½ cup unsalted butter
1 cup packed brown sugar
¼ cup heavy cream
1 tsp vanilla extract
Pinch of salt
