01 -
Position oven rack in the center and preheat to 175°C. Grease an 20x20 cm baking pan and line with parchment paper extending beyond edges for easy removal.
02 -
In a large bowl, whisk together flour, cocoa powder, and salt to ensure even distribution.
03 -
Gently melt dark chocolate pieces in 30-second intervals using a microwave or double boiler. Allow to cool slightly before proceeding.
04 -
In a separate bowl, fold melted chocolate into room temperature Greek yogurt and vanilla extract until homogeneous and silky.
05 -
Gradually incorporate the wet mixture into the dry ingredients, adding milk incrementally until a thick, glossy batter forms. Stir just until combined to avoid overmixing.
06 -
If using, gently fold in chocolate chips. Transfer the batter to the prepared pan and smooth the surface. Bake for 25 to 30 minutes until edges are set and center is slightly fudgy.
07 -
Let brownies cool completely in the pan before lifting out using parchment overhang. Cut into squares and serve.