Smear peanut butter on the slice of banana and cover with other slice.
Put to the freezer for 1 hour.
After one hour melt white chocolate in microwave or use double boiler method (fill lower pan with water, bring water to simmer, take off from heat, put chocolate chips in top pan and stir). Add coconut oil and mix.
Dip each peanut butter banana in white chocolate. Put on parchment paper and wait a little for chocolate to harden.
Drizzle white chocolate to make mummies, make eyes from chocolate chips.