Pumpkin Cake

Adapted from sallysbakingaddiction.com 2 cups (250g) all-purpose flour  2 teaspoons baking powder 1 teaspoon baking soda 1 teaspoon table salt 1 1/2 teaspoons ground cinnamon 2 teaspoons pumpkin pie spice (I prefer 1 1/2 teaspoons) 1 cup (240ml) vegetable oil …