Preheat your oven to 300°F (150°C).
In the mixing bowl of your stand mixer, combine the sugar and oil, and mix until well blended.
2 cups granulated sugar, 1 cup vegetable oil
Add the eggs one at a time, beating well after each addition.
4 each eggs
In a separate bowl, sift together the flour, baking soda, salt, and cinnamon.
2 cups pastry flour, 2 tsp baking soda, 1 tsp salt, 2 tsp ground cinnamon
Gradually add the dry ingredients to the egg mixture and mix until incorporated.
Fold in the grated carrots and chopped nuts until well combined.
3 cups carrots, 4 oz walnuts
Divide the batter evenly between the greased and floured cake pans.
Bake for about 45 minutes, or until a toothpick comes out clean.
Let the cakes cool in the pans for about 10 minutes, then turn them out onto a cooling rack to cool completely.