Pumpkin Ricotta Buttermilk Pancakes

Ingredients

• 2 cups all-purpose flour
• 2 tablespoons granulated sugar
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon fine sea salt
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon ground ginger
• 1/4 teaspoon freshly ground nutmeg (SEE NOTE)
• 1/8 teaspoon ground cloves
• 2 cups whole buttermilk (SEE NOTE)
• 2 large eggs, yolks and whites separated
• 1 1/2 teaspoons vanilla extract
• 1/3 cup pumpkin puree
• 1/3 cup whole-milk ricotta
• 3 tablespoons unsalted butter, melted and cooled slightly
• More butter for the griddle
• Maple syrup for serving