Brown sugar chords are tender, buttery dessert bars with a caramel-like sweetness from brown sugar and a crisp, lightly browned top. This simple, homemade treat is baked in one pan, cut into squares, and easy to dress up with nuts or chocolate; recipes vary, but this version keeps the texture chewy in the middle.
Ingredients
- ½ cup (113 g) unsalted butter, plus a little for greasing the pan
- 1 cup packed (220 g) light brown sugar
- 1 large egg (about 50 g without shell), at room temperature
- 1 teaspoon (5 ml) vanilla extract
- 1 cup (125 g) all-purpose flour, spooned into the measuring cup and leveled
- ½ teaspoon (2 g) baking powder
- ¼ teaspoon (1.5 g) fine salt
- ½ cup (60 g) chopped walnuts or pecans, optional
- ½ cup (85 g) semisweet chocolate chips, optional
Instructions
- Heat the oven to 350°F (175°C). Lightly butter an 8-inch (20 cm) square baking pan and line it with parchment, leaving an overhang on two sides to help lift out the baked slab.
- Melt the butter in a small saucepan over low heat, or in a microwave-safe bowl in short bursts. Let it cool for about 5 minutes; it should be warm, not hot. Whisk in the brown sugar until evenly moistened, then whisk in the egg and vanilla until the mixture looks smooth and glossy.
- In a separate bowl, whisk together the flour, baking powder, and salt. Add these dry ingredients to the butter mixture and fold just until no dry flour remains. Stir in the nuts or chocolate chips, if using. Avoid beating the batter, which can make the bars tough.
- Scrape the batter into the prepared pan and spread it into an even layer, pressing it gently into the corners. Bake for 22 to 26 minutes, until the edges are set and lightly browned and a toothpick inserted near the center comes out with a few moist crumbs rather than wet batter. The center will firm as it cools, so avoid baking until completely dry.
- Set the pan on a rack and cool for at least 30 minutes before lifting the slab out with the parchment. Cool completely for the neatest slices, then cut into 16 squares with a sharp knife. For a warm, softer serving, cut after the initial cooling and serve while still slightly warm.
Tips
- Pack brown sugar firmly into the measuring cup, or weigh it. Light brown sugar gives a mellow caramel note; dark brown sugar works too and makes the bars more strongly flavored and slightly softer.
- Measure flour by weight when possible. If using cups, fluff the flour first, spoon it lightly into the cup, and level the top. Scooping straight from the bag can add too much flour and produce dry bars.
- Do not skip cooling the melted butter before adding the egg. Hot butter can partly cook the egg and leave streaks or bits in the batter.
- For clean edges, let the bars cool fully and wipe the knife between cuts. If the top browns too quickly, loosely cover the pan with foil for the final few minutes; do not press foil onto the batter.
Serving Suggestions
Serve the squares plain with coffee, tea, or a glass of milk. For dessert, add a scoop of vanilla ice cream while the bars are a little warm, or serve them with softly whipped cream and sliced pears or apples. A small pinch of flaky salt on top can balance the sweetness, especially if you leave out the chocolate. Cut the pan into 9 larger pieces for a more substantial dessert or into 24 small bites for a party platter.
Variations
Use dark brown sugar in place of light for a deeper molasses flavor. For a nut-free pan, omit the nuts and add an extra ¼ cup (about 43 g) chocolate chips, or leave the batter plain. Toasted pecans or walnuts bring a crisp contrast; cool them before folding them into the batter.
For a subtle spice note, add ½ teaspoon (1 g) ground cinnamon or a pinch of ground ginger along with the dry ingredients. You can also replace the vanilla with ½ teaspoon (2.5 ml) maple extract, though the flavor will be more pronounced. If using salted butter, omit the added salt. These changes keep the basic method the same, but extra mix-ins may make the bars a little more delicate, so allow them to cool completely before slicing.
Storage and Reheating
Once completely cool, store the bars in an airtight container. They keep at room temperature for up to 3 days in a cool, dry place, or in the refrigerator for 3 to 4 days; refrigerate within 2 hours if the room is warm or the bars have been served out. Chilling makes them firmer, so bring a portion to room temperature before serving.
To reheat a square, microwave it for 8 to 12 seconds, then check and add a few seconds if needed. For a larger portion, warm it in a 300°F (150°C) oven for about 5 to 8 minutes. Avoid overheating, which can make the edges hard. Freeze well-wrapped bars for up to 2 months; thaw overnight in the refrigerator or for about an hour at room temperature. Do not leave them at room temperature for more than 2 hours after thawing if conditions are warm.
Frequently Asked Questions
What are brown sugar chords?
They are chewy, sweet baked bars made with butter, brown sugar, egg, and flour. The name is sometimes used for a simple brown-sugar bar; this recipe produces a blondie-like square with a caramel flavor and a tender center.
How do I know when the bars are done?
Look for set, lightly browned edges and a center that no longer looks wet. A toothpick should have a few moist crumbs, not raw batter. The bars continue to firm as they cool, so baking until the toothpick is completely clean can make them dry.
Can I make them without nuts or chocolate?
Yes. Both additions are optional, and the batter bakes well without them. If you omit both, spread it evenly and begin checking at 22 minutes, since the bake time can vary slightly by pan and oven.
Can I use a different pan?
An 8-inch (20 cm) square pan gives the intended thickness. A 9-inch (23 cm) square pan makes thinner bars and may bake a few minutes sooner; check for set edges and moist crumbs. A much larger pan can make the bars too thin and dry.
Why did my bars turn out dry or crumbly?
Common causes are excess flour, overbaking, or cutting before the bars have had time to set. Weigh the flour if possible, check the oven early, and let the pan cool before slicing. A glass or dark metal pan may also bake differently, so use the visual doneness cues rather than relying only on the clock.
Can I prepare the batter ahead?
For the best rise and texture, bake the batter soon after mixing. You can bake the bars a day ahead and store them covered once cool. If you need to prepare components early, measure the dry ingredients and keep them separate from the wet mixture until you are ready to bake.
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