Pumpkin Spice Latte Bars with Cream Cheese Frosting

ooooooo! we had a little pumpkin party over at our house this week! and boy, did these come out delicious! I could have eaten the whole pan! Ingredients: For the Cake: 2 cups all-purpose flour 2 t. ground cinnamon 1 t. groung nutmeg 1 t. allspice 2 T. espresso powder 2 teaspoons baking powder 1 teaspoon baking soda 1 teaspoon salt 1 can (15 ounces) pumpkin 1-2/3 cups granulated sugar 1 cup canola oil 4 eggs For the Frosting: 8 ounces cream cheese, at room temperature ½ cup (1 stick) butter, at room temperature 3 cups powdered sugar (1 box) 1 teaspoon vanilla extract 1. Preheat oven to 350 degrees. Grease a 9×13-inch baking pan 2. In a medium bowl, mix together the flour, cinnamon, baking powder, baking soda and salt. 3. In a large mixing bowl (I used my kitchen aid mixer), mix together the pumpkin, sugar, oil and eggs until smooth and thoroughly combined. Slowly pour in the flour mixture and mix until incorporate...