For mini muffins, we'd recommend thoroughly greasing the pan instead. As a note, this hack only works with parchment paper, so be sure not to try it with wax paper or another paper type.
then divide it among the wells of a muffin pan lined with muffin papers. (You can also skip the muffin papers, but just be sure to grease the pan well before adding the batter.) Next, bake at 350 ...