Combine all dry ingredients (minus the salt) in a large bowl and mix with a fork until combined. Add the honey and milk and mix with a fork until all mixture is wet and combined. Transfer into a small brownie pan and press down. Place in freezer while melting chocolate.
Place chocolate in a double boiler to melt, or the microwave stirring at 30 second Intervals. Pour over the top of the base, spread evenly with a spoon and allow 10 - 15 mins in freezer to set.
Store in the fridge and serve with a pinch of sea salt.