Fudgy Tahini Brownies

Ingredients (9)

• 6 tbsp butter
• 2 tbsp dark cocoa powder (Dutch process)
• 1 cup semi-sweet chocolate chips (divided)
• 2 large eggs
• 1 cup granulated sugar
• 2 tsp vanilla extract
• 1/2 tsp salt
• 3/4 cup tahini (sesame seed butter)
• 1/2 cup all-purpose flour