Sour Cream Waffles with Fresh Peaches and Toasted Pecan Praline Sauce

Name: Sour Cream Waffles with Fresh Peaches and Toasted Pecan Praline Sauce
Ingredients: 1 cup packed light brown muscovado sugar; 4 tablespoons unsalted butter; 1/4 teaspoon salt; 1/2 cup heavy cream; 1/2 cup chopped pecans, toasted; 3 ripe peaches, halved, pitted and sliced; 1 1/2 cups all-purpose flour; 1 1/2 teaspoons baking powder; 3/4 teaspoon baking soda; Rounded 1/4 teaspoon salt; 1/4 teaspoon ground nutmeg or cardamom; 1 cup whole milk; 1 cup sour cream; 3 tablespoons unsalted butter, melted; 2 tablespoons pure cane sugar; 1 teaspoon pure vanilla extract; 2 large eggs; Nonstick spray or melted unsalted butter, for waffle iron; Confectioners' sugar, for garnish; Sprigs fresh mint, for garnish