1/4 cup (56g) salted Challenge butter, melted 2 1/4 cups (370g) finely chopped pecans 2 tbsp light brown sugar, loosely packed CAKE LAYERS 3/4 cup (168g) unsalted Challenge butter, room temperature 1 1/2 cups (310g) sugar 1 cup (231g) sour cream, room temperature 1 tbsp vanilla extract 5 large eggs, room temperature 3 cups (390g) all purpose flour, preferably sifted 4 tsp baking powder 3/4 tsp salt 1 cup (240ml) milk, room temperature 2 tbsp (30ml) water, room temperature 2 1/4 cups (504g) salte