Spiced Pumpkin Cake

INGREDIENTS

• 1 cup unsalted butter, at room temperature, plus more for the pan
• 3 cups all-purpose flour, spooned and leveled, plus more for the pan
• 5 tsp pumpkin pie spice (recipe below)
• 1 ½ tsp baking powder
• ¾ tsp baking soda
• ½ tsp salt
• 1 ½ cups granulated sugar
• 3 large eggs
• 1 15-ounce can pumpkin puree (1 1/2 cups)
• ½ cup whole milk
• ¼ cup molasses
• 1 ¼ cups confectioners’ sugar
• 2 tbsp fresh lemon juice
• Pumpkin Pie Spice (6 tsp)
• 3 tsp ground cinnamon
• 1 1/2 tsp ground ginger
• 3/4 tsp allspice
• 3/4 tsp nutmeg