Date Snacking Cake With Brown Sugar Glaze

Name: Date Snacking Cake With Brown Sugar Glaze
Ingredients: 10 tablespoon unsalted butter, at room temperature, plus more for the pan; 8 ounce pitted dates, chopped; 1 teaspoon baking soda; 2 cup all-purpose flour; 1 1/2 teaspoon baking powder; 1 teaspoon ground cinnamon; 3/4 teaspoon kosher salt; 1/3 cup granulated sugar; 2 large eggs, at room temperature; 1/4 cup sour cream; 1 teaspoon pure vanilla extract; 6 tablespoon unsalted butter; 1/4 cup plus 2 tablespoons brown sugar (light or dark); 1/4 cup plus 2 tablespoons heavy cream; 1/2 teaspoon kosher salt