- Preheat your barbecue or grill with the heat set to high.
- In a large bowl, combine all the ingredients. On top of 4 large pieces of aluminum foil, place 4 large sheets of parchment paper of the same size. Distribute the mixed ingredients equally over the 4 sheets, then fold over to make envelopes.
- Place the envelopes on the barbecue and bake for about 5 minutes.
- Serve in the envelopes with a scoop of vanilla ice cream.