Easy Pumpkin Cake

2 cups all-purpose flour

1½ cups granulated sugar

2 tsp. baking powder

1 tsp. baking soda

1 tsp. salt

2 Tbsp. cinnamon

2 tsp. pumpkin pie spice

1 can pumpkin puree (15 oz)

3 large eggs

1 cup canola oil (or vegitable )

2 tsp. vanilla extract

1 package cream cheese (8oz, room temp)

1 cup salted butter (room temp)

1 1/2 cups powdered sugar

2 tsp. vanilla extract

walnuts or pecans to garnish (optional)