Pumpkin Spice Cake with Mascarpone

Ingredients

• 3 cups flour, plus more for pan
• 1 tsp. baking soda
• 1 tsp. ground cinnamon
• 1 tsp. ground clove
• 1 tsp. ground ginger
• 1 tsp. ground green cardamom
• 1 tsp. ground nutmeg
• 1 tsp. salt
• 4 eggs
• 2 cups sugar
• 2 cups pumpkin puree
• Zest of 1 orange
• 1 1⁄4 cups canola oil, plus more for greasing pan
• 1 tsp. pure vanilla extract
• 8 oz. mascarpone, softened
• 1⁄4 cup pistachios
• 1⁄4 cup pumpkin seeds