Preheat the oven to 350°F. Grease two 9-inch cake pans. Line the bottoms with parchment paper. This helps the cake release easily after baking. Proper preparation prevents the cake from sticking and keeps the layers smooth when you remove them.

Take a large bowl. Add flour, sugar, baking soda, baking powder, cinnamon, nutmeg, and salt. Whisk everything well. Mixing the dry ingredients first spreads the spices evenly. This step ensures the carrot cake will have balanced flavor in every bite.

In another bowl, add eggs, vegetable oil, and vanilla extract. Whisk until smooth. The mixture should look slightly thick and glossy. These wet ingredients help create a soft and moist cake texture.

Slowly pour the wet mixture into the dry ingredients. Use a spatula or mixer on low speed. Mix gently until everything combines. Avoid overmixing. Overmixing can make the cake dense instead of soft.

Now fold in the grated carrots and crushed pineapple. Stir slowly so everything spreads evenly. These ingredients add moisture and natural sweetness. The batter will look thick but slightly wet.

If you enjoy extra texture, fold in chopped walnuts or pecans. Nuts add a crunchy bite that many people love in carrot cake. If you prefer a smooth cake, you can skip this step.

Divide the batter evenly between the two prepared pans. Use a spatula to smooth the tops. This helps the cake bake evenly and creates flat layers for frosting later.

Place the pans in the oven and bake for about 35 minutes. The cake should turn golden brown. Insert a toothpick into the center. If it comes out clean, the cake is ready.

Remove the pans from the oven. Let them cool for 10 minutes. Then transfer the cakes to a cooling rack. Allow them to cool completely before frosting. Warm cakes can melt the frosting.

In a mixing bowl, beat cream cheese and butter until smooth. Add powdered sugar slowly. Continue mixing until fluffy. Finally, add vanilla extract. The frosting should be creamy and spreadable.

Place one cake layer on a plate. Spread a thick layer of frosting on top. Add the second cake layer. Frost the top and sides evenly. Use a spatula to smooth the surface.

You can decorate with chopped nuts, shredded coconut, or small carrot designs made from icing. Decoration is optional, but it makes the cake look beautiful for serving.