Ideally, yes. Cake is always so much easier to remove from pans if you use parchment paper. This makes your cake baking experience easier and less stressful as you’re not worried about breaking your cake when you remove it. But, if you don’t have parchment paper, you can grease and flour the pans really well. To do this, be sure to grease first using canola oil on the bottom and sides, and then sprinkle flour all over it.