01 - Preheat waffle iron according to manufacturer's directions.
02 - In a large mixing bowl, whisk together all-purpose flour, baking powder, baking soda, salt, cinnamon, ginger, and nutmeg until evenly distributed.
03 - In a separate bowl, beat together eggs, light brown sugar, vegetable oil, buttermilk, and vanilla extract until smooth and well combined.
04 - Pour the wet mixture into the dry ingredients. Gently stir using a spatula until the batter is just combined. Avoid overmixing.
05 - Fold in the grated carrots, nuts, and raisins if desired, until evenly distributed.
06 - Lightly grease the preheated waffle iron with non-stick spray or melted butter. Pour enough batter to cover the waffle grid without overfilling.
07 - Close and cook waffles according to the manufacturer's instructions, typically 4 to 5 minutes, until golden brown and crisp.
08 - Carefully remove the waffle and repeat the process with the remaining batter. Serve warm, topped with cream cheese glaze, maple syrup, or whipped cream if desired.