01 -
Preheat your oven to 350°F (180°C), or 320°F (160°C) for convection ovens. Line a 12-cup muffin tin with paper liners.
02 -
In a large bowl, whisk together the cocoa powder, flour, sugar, and salt until well combined and no lumps remain.
03 -
In a separate bowl, thoroughly whisk the eggs, milk, vanilla extract, and oil until smooth and well blended. Pour this mixture into the dry ingredients and gently stir just until combined - a few small lumps are perfectly fine!
04 -
Fold in the chocolate chunks, being careful not to overmix. Divide the batter evenly among the muffin cups, filling each about 2/3 full. Bake for 18-22 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs but no wet batter.