Prep Time 20 minutes mins
Cook Time 30 minutes mins
Resting Time 30 minutes mins
Total Time 1 hour hr 20 minutes mins
For the chewiest texture, do not overmix once the flour is added, and pull the brownies from the oven as soon as the center is slightly underdone with fudgy crumbs on the tester. If you prefer a brighter red, add up to 1 1/2 tablespoons of food coloring or use gel color for intensity without thinning the batter. Slightly underbaking preserves moisture, while the vinegar helps “red velvet” tang and enhances the cocoa hue. Chill leftovers for cleaner cuts, warm the knife under hot water between slices, and store in an airtight container at room temperature for up to 3 days or freeze tightly wrapped for up to 2 months.