Use your fingers to gently press the bottom and the perimeter of the pan and a pierce with fork in several places. (foodformyhealth.com)
Move the shallots to the perimeter of the pan and add the livers to the center. (thecuriouscoconut.com)
If you want to make the recipe as is and only get 6 muffins, put the batter around the perimeter of the pan (so the outside) and then just fill the empty tins with a little water (especially if your oven runs hot). (simplyquinoa.com)