Best Carrot Cake Ever

Best Carrot Cake Ever – A moist and flavorful recipe that makes a large quantity of cake. I have been hounded to make this cake time and time again.
Ingredients
6 cups grated carrots
1 cup brown sugar
1 cup raisins
4 eggs
1 1/2 cups white sugar
1 cup vegetable oil
2 teaspoons vanilla extract
1 cup crushed pineapple, drained
3 cups all-purpose flour
1 1/2 teaspoons baking soda
1 teaspoon salt
4 teaspoons ground cinnamon
1 cup chopped walnuts