‘Holiday staple’: Just 3 ingredients. I make this every Christmas and it disappears fast.

For gifting or traveling, simply cover the foil tray tightly with foil or a lid, label it, and tuck it into a cooler bag if you’re transporting it through fluctuating temperatures. The foil tray not only saves dishes but also makes the whole batch portable and shareable.
Variations & Tips
Because this recipe is built on only three core ingredients, small tweaks can make a noticeable difference. For a slightly deeper, more bittersweet flavor, substitute dark brown sugar for light brown sugar; the extra molasses content will give you a darker, more robust toffee. If you prefer a less salty base, use unsalted or lightly salted crackers, or swap in butter crackers for a richer, more delicate crunch. The chocolate layer is technically optional but very traditional—semisweet chips are standard, but you can use milk chocolate for a sweeter bar or dark chocolate for a more grown-up version. Before the chocolate sets, you can scatter chopped toasted nuts (pecans, almonds, or walnuts), crushed candy canes, or a light sprinkle of flaky sea salt over the top for contrast in flavor and texture. If you need a nut-free option, stick to colorful sprinkles or crushed pretzels for extra crunch. For a slightly thicker bar, use a smaller foil pan (like 9×9 inches) and reduce the baking time by a couple of minutes to avoid overbrowning the toffee. Always remember that the key to success is letting the bars chill fully before breaking them—impatience is the enemy of clean, crisp shards.