Salted Caramel Banana Bread

Name: Salted Caramel Banana Bread
Prep time: 15 min
Cook time: 1 h 50 min
Total time: 2 h 5 min
Cuisine: American
Ingredients: 1 cup Imperial Sugar Extra Fine Granulated Sugar; 1/4 teaspoon kosher salt; 1/4 cup water; 4 tablespoons cold unsalted butter, cubed; 1/2 cup heavy cream; 2 cups all-purpose flour*; 2 teaspoons baking powder; 1 teaspoon baking soda; 1/2 teaspoon cinnamon; 1/2 teaspoon salt; 1/2 cup unsalted butter, softened; 3/4 cup Imperial Sugar Extra Fine Granulated Sugar; 2 large eggs, room temperature; 1/4 cup whole milk, room temperature; 2 teaspoons vanilla extract; 1 cup ripe mashed bananas (about 3 large bananas); 1/2 cup salted caramel sauce; 1/3 cup finely chopped walnuts, optional