Blondie Ice Cream Cake Recipe

Ingredients

• 1 stick plus 6 tablespoons unsalted butter, room temperature, plus more for pan
• 1¾ cups unbleached all-purpose flour
• 1 teaspoon baking powder
• 3/4 teaspoon kosher salt
• 1⅓ cup light brown sugar
• 1/3 cup granulated sugar
• 2 large eggs, room temperature
• 1⅓ cups semisweet chocolate chips
• 2 quarts vanilla ice cream, softened
• 1/2 cup granulated sugar
• 3 tablespoons unsalted butter
• 1/4 teaspoon kosher salt
• 1/2 cup heavy cream
• 1½ ounces finely chopped semisweet chocolate (1/3 cup)