Preheat oven to 350 degrees. Line a 8 x 8 glass pan with parchment paper
In a large mixing bowl - whisk together eggs, sugar, salt, and vanilla. Once combined, mix in tahini and flour
In a sauce pan, melt butter over medium heat (this won’t take long!) Once melted, take off heat, add in chocolate and cacao and mix until smooth
Add chocolate mixture to the tahini/flour mixture and mix thoroughly
Pour combined mixture into the glass pan
Bake for 28-32 minutes. Let cool for 30 minutes, cut and enjoy :)