Spice Layer Cake

• Cooking spray
• 3 cups all-purpose flour, spooned and leveled, plus more for pans
• 1 1/2 tsp. kosher salt
• 1 tsp. baking powder
• 1 tsp. baking soda
• 1 tsp. ground ginger
• 1 tsp. ground cinnamon
• 1 tsp. ground cardamom
• 1/4 tsp. ground cloves
• 1/4 tsp. ground nutmeg
• 1 cup unsalted butter, at room temperature
• 1 cup packed light brown sugar
• 3 large eggs
• 1 cup unsulphered molasses
• 1 1/4 cups buttermilk

Cinnamon-Cream Cheese Frosting

• 8 oz. cream cheese
• 1/2 cup (1 stick) unsalted butter, at room temperature
• 1 1/2 tsp. pure vanilla extract
• 1/2 tsp. kosher salt
• 1/4 tsp. ground cinnamon
• 5 cups confectioners' sugar

Caramel Acorns and Piecrust Leaves

• Packaged caramels
• Dark chocolate, melted
• Pretzel sticks
• Pie dough scraps