Condensed Milk Pound Cake

Name: Condensed-Milk Pound Cake
Ingredients: 2 sticks (1 cup) unsalted butter, room temperature, plus 1 tablespoon for pan; ½ cup sugar; 3 large eggs, room temperature; ¾ cup sweetened condensed milk; 2 teaspoons pure vanilla extract; 1 ⅓ cups unbleached all-purpose flour; ¾ teaspoon baking powder; 1 teaspoon kosher salt; ½ cup sweetened condensed milk; 1 teaspoon red-wine vinegar; Grated zest and juice of 1 lime