Easy Carrot Cake Squares

Ingredients for cake

• 1 ½ cups flour
• 1 teaspoon baking powder
• ¼ teaspoon baking soda
• 1 teaspoon cinnamon
• 2 egg lightly beaten
• 2 ½ cups carrot shredded
• ¾ cups brown sugar
• ¼ cup granulated sugar
• ½ cup vegetable oil
• 1 teaspoon vanilla
• 1 cup walnuts divided, chopped

Ingredients for frosting

• ½ cup butter room temperature, unsalted
• 4 oz cream cheese softened
• 1 teaspoon vanilla
• 1 ¾ cups powdered sugar