Preheat the oven to 350F. Line a 9" Baking pan with parchment paper. Set aside.
In a large bowl, mix eggs, sugar and vanilla together until light and fully incorporated.
Add in milk, oil, and tahini. Mix well.
Add in flour, baking powder and salt. Mix well until incorporated. Don't over mix.
Pour the batter into the prepared pan, sprinkle sesame seeds on top. Bake in the oven for 45 minutes to an hour until a toothpick inserted in the middle comes out clean.
Meanwhile, make the chocolate tahini glaze. Mix all the ingredients in a bowl and whisk until smooth.
Once the cake is baked, Let it cool for 20 minutes then slice and drizzle with chocolate tahini glaze.