Preheat oven to 400 degrees F.
Fold the sheets of parchment in half and cut out large half circles along the crease, creating full circles folded in half. Unfold the circles and stuff them each with 4 pieces of banana and 1/4 of all the other ingredients. Fold the edges back together, creating a half-circle shaped pouch, and seal the edge by crimping and rolling it over itself or by stapling. Bake on a sheet pan for 3 to 4 minutes until well heated through. Cut the paper open at the table in front of your guests so they experience the fragrance of the ingredients.