1preheat oven to 350 degrees.
Grease 2 9 in. round cake pans
2Combine flour, baking soda, cinnamon, and salt in a small bowl. Combine milk and lemon juice in a small bowl(it will look curdled)
3Beat sugar, pumpkin, eggs, brown sugar and veg. oil in mixer till combined. Beat in pineapple, carrots, and milk mixture till combined. Gradually beat in flour mixture. Stir in the coconut and 1 cup walnuts if desired.
4Pour into cake pans and bake for 30 to 35 minutes.
5Cream Cheese Frosting:
beat 8 oz(1 package) of softened cream cheese, 3 cups powdered sugar, 2 tbsp. melted butter and 1 tsp of vanilla in mixer till creamy and smooth.
top your cooled cake.