Step 1: Preheat the Oven and Prepare the Pan: Preheat oven to 350F (175C). Grease and flour a 9x13 inch baking pan. This ensures the cake releases easily after baking, preventing sticking and preserving its shape.
Step 2: Whisk Dry Ingredients: In a large bowl, whisk together the flour, baking soda, cinnamon, nutmeg, ginger, and salt. This ensures even distribution of the spices and leavening agents, resulting in a consistent flavor and texture throughout the cake.
Step 3: Combine Wet Ingredients: In a separate bowl, combine the sugar and oil. Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract. The thorough blending of wet ingredients creates an emulsion that contributes to the cake's moistness.
Step 4: Combine Wet and Dry Ingredients: Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Be careful not to overmix, as this can result in a tough cake.
Step 5: Add Carrots and Nuts: Fold in the grated carrots and chopped walnuts or pecans (if using). Ensure even distribution for a uniform flavor profile in every slice.
Step 6: Bake the Cake: Pour the batter into the prepared pan and bake for 30-35 minutes, or until a wooden skewer inserted into the center comes out clean.
Step 7: Cool the Cake: Let the cake cool in the pan for 10 minutes before transferring it to a wire rack to cool completely. Complete cooling prevents the frosting from melting and allows the cake to set properly.
Step 8: Prepare the Cream Cheese Frosting: In a large bowl, beat the cream cheese and butter together until smooth and creamy. This creates the base for a perfectly smooth and spreadable frosting.
Step 9: Add Powdered Sugar and Vanilla: Gradually add the powdered sugar, beating until smooth. Stir in the vanilla extract. If the frosting is too thick, add milk or cream, one tablespoon at a time, until desired consistency is reached.
Step 10: Frost the Cake: Once the cake is completely cool, frost the top with the cream cheese frosting. Decorate with additional chopped nuts, if desired.
Optional Tips: For a richer flavor, substitute half of the vegetable oil with melted butter. For a gluten-free option, use a gluten-free all-purpose flour blend. Adjust spices to taste.