Make these with a chocolate layer on top and bottom, or with a chocolate layer just on the bottom. If you do the former, you'll yield about 1-1/2 dozen cups and have extra nut butter filling; if the latter, 3 dozen cups and no nut butter layer mixture leftover. Adapted from this recipe at Avivah's blog.1-1/2 to 3 dozen paper mini-muffin liners — OR — 8-inch square pan lined with parchment paper