Pumpkin Carrot Cake

Ingredients

• Cake
• 2 cups all-purpose flour
• 2 teaspoons baking soda
• 2 teaspoons ground cinnamon
• 1/2 teaspoon salt
• 3/4 cup milk
• 1 1/2 teaspoons lemon juice
• 3 large eggs
• 1 1/4 cups solid-pack pumpkin
• 1 1/2 cups granulated sugar
• 1/2 cup packed brown sugar
• 1/2 cup vegetable oil
• 1 (8 ounce) can crushed pineapple, drained
• 1 cup carrot, grated (about 3 medium)
• 1 cup flaked coconut
• 1 1/4 cups chopped nuts, divided
• Cream Cheese Frosting
• 1 (8 ounce) package cream cheese, softened
• 1/3 cup butter, softened
• 3 1/2 cups powdered sugar, sifted
• 1 teaspoon vanilla extract
• 2 teaspoons orange juice
• 1 teaspoon orange zest