Use double chocolate like Bournville dark chocolate plus Dairy Milk chocolate for flavor depth.
Dutch-Processed Cocoa Powder is smoother, darker, and less acidic than regular cocoa powder that enhances depth without bitterness.
Dark brown sugar has molasses which adds moisture and richness.
Espresso powder adds a caffeine kick to the brownies and intensifies the chocolate flavor.
Sea salt or smoked salt creates a contrasting balance that highlights the sweetness.
Overbaking will leave the brownies dry, therefore bake only until edges are set.
A glossy ganache looks fantastic over gooey brownies and enhances the appeal effortlessly.