Pumpkin Spice Bars with Toasted Meringue | Saveur

Ingredients

• 12 tbsp. (6 oz.) unsalted butter, melted, plus more for greasing
• 1 cup (8½ oz.) canned pumpkin puree
• 1 cup light brown sugar
• 1⁄2 cup plus ⅔ cup sugar, divided
• 3 large eggs plus 3 large egg whites, divided and at room temperature
• 2 1⁄2 tsp. pure vanilla extract, divided
• 1 3⁄4 cups all-purpose flour
• 2 tsp. cinnamon
• 1 1⁄2 tsp. baking powder
• 1 tsp. baking soda
• 1 1⁄4 tsp. kosher salt, divided
• 1⁄2 tsp. allspice
• 1⁄2 tsp. freshly ground nutmeg
• 1⁄4 tsp. Ground ginger
• 1⁄4 tsp. Ground cloves
• 1⁄4 tsp. cream of tartar