Preheat oven to 320 convection.
Line a 9x12 deep sided baking sheet or dish with parchment paper ensuring there is an overhang for easy removal.
Add dry ingredients to a bowl and stir to combine.
Add tahini, honey, olive oil and vanilla to a small pot and heat gently over medium low heat. Stir to combine.
Pour wet over dry and stir to coat. Be careful to get all the dry parts combined.
Press evenly and firmly into the pan using a rubber spatula.
Place in the oven to bake for 30-35 minutes. The surface should be golden brown and dry to the touch.
Allow it to cool on a wire rack.
Spread tahini on top of granola.
Melt chocolate and pour chocolate over tahini. Use an offset spatula to spread it over tahini. It’s OK if tahini and chocolate start to meld together. MINE DID!
Place in the freezer to allow chocolate to harden.
Once hard, remove from the freezer and sprinkle with flaky sea salt.
Place on a cutting board and cut into bars.
Store them in the freezer.