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