[‘Use Dutch-processed cocoa powder for deeper chocolate flavor and smoother texture.’, ‘Do not press down too hard when layering to keep layers distinct and visually appealing.’, ‘Let eggs and oil come to room temperature before mixing for better batter consistency.’, ‘Avoid over-mixing the batter to keep brownies moist and fudgy.’, ‘Check brownies for doneness starting at 25 minutes using a toothpick; moist crumbs are ideal.’, ‘Mix sugars well before layering to prevent clumping.’, ‘Store unbaked mixes in a cool, dry place for up to 3 months.’, ‘Baked brownies keep well at room temperature for 3 days or refrigerated up to 1 week.’]