frozen chocolate bananas

i found this in cookie magazine. afton absolutely begs for these.

2 ripe but firm bananas
6 oz dark chocolate, chopped or semi-sweet chocolate chips
2 tbs vegetable oil
1/2 cup granola, chopped pecans and walnuts, or sprinkles (optional)

line a baking sheet with nonstick foil or parchment paper.
cut the bananas in half and insert a popsicle stick into each half. place them on the baking sheet and freeze for 15 minutes.
meanwhile, melt the chocolate with the oil in a pyrex measuring cup in the microwave (check every 30 seconds). stir until smooth
roll each banana half in the chocolate, then quickly sprinkle with your topping, if using.
freeze until the chocolate sets, 30 minutes.
serve or freeze in an airtight container for up to a week.