date sweetened carrot cake made with dates and no refined sugar

Name: Date sweetened carrot cake
Ingredients: 10 oz Carrots; 15 oz Date, pitted; 1 tsp Lemon, fresh zest; 1/2 cup Raisins; 3 Eggs; 1 tsp Baking powder; 2 tsp Baking soda; 2 tsp Cinnamon; 1/2 tsp Kosher salt; 1/2 tsp Nutmeg; 1 Recipe cream cheese frosting; 1/8 tsp Sea salt; 1 1/4 tbsp Vanilla; 1 1/2 cup Whole wheat flour; 1/2 cup Canola oil; 1 cup Walnuts; 1 8 oz package Cream cheese; 1 tbsp Half and half; 3/4 cup Water, hot