Andrew Zavala, 11, discovered the recipe for these gooey brownies in a kids' cookbook by Pamela Gwyther called Let's Cook! when he was seven years old. A self-professed kitchen scientist, he likes to revisit the recipe often, substituting ingredients and noting the results. "My favorite version uses two ounces each of dark, milk and white chocolate," he says. More Gooey Desserts
The brownies can be stored in an airtight container for up to 4 days or frozen for 1 month. Cut the brownies while frozen and let thaw at room temperature. If desired, rewarm the brownies in a 300° oven for 15 minutes.