mix all dry ingredients together in mixing bowl - flour, baking soda, baking powder, cinnamon, allspice (1 1/2 tsp), cloves and salt.
Grate carrots
preheat oven 350 degrees
combine carrots and rest of ingredients except walnuts to flour mixture.
mix in walnuts
transfer to greased 13x9x2 pan
bake for 40-50 min. until toothpick comes out clean
cool on counter for 30 min. and then frost with cream cheese icing.