Best Substitutes for Light Brown Sugar
Light brown sugar is white sugar mixed with molasses, giving it about 3.5% molasses by weight. That molasses adds moisture (making baked goods tender), acidity (which activates baking soda), and a subtle caramel flavor. Light brown sugar contains roughly 96% sucrose, compared to dark brown sugar's 93%. The extra moisture means 1 cup of light brown sugar weighs about 213 grams versus white sugar's 200 grams. When you substitute, you're replacing sweetness, moisture, and that hint of molasses complexity. Skip the molasses component and your cookies turn crispy instead of chewy. Miss the moisture and your cake goes dry.
Best Overall Substitute
Dark brown sugar at a 1:1 ratio. It contains more molasses (about 6.5% vs 3.5%) but works perfectly in almost every recipe. Your baked goods get slightly deeper flavor and a touch more moisture, which most people prefer. The color difference is barely noticeable in finished recipes.
All Substitutes
Dark brown sugar
1:1 by weight or volumeDark brown sugar has double the molasses content of light brown sugar, giving it more moisture and stronger flavor. The extra molasses makes cookies slightly chewier and cakes more tender. In recipes where brown sugar is the star (like gingerbread or BBQ sauce), the deeper flavor actually improves the result. The additional acidity from more molasses can make baking soda react slightly more, creating extra lift in quick breads and muffins.
White sugar plus molasses
1 cup white sugar + 1 tablespoon molasses = 1 cup light brown sugarMixing your own gives you exact control over molasses content. White sugar provides the sweetness while molasses adds the moisture, acidity, and flavor that makes brown sugar work. The homemade version has slightly more moisture than store-bought because it hasn't been dried and processed. Mix thoroughly to avoid molasses streaks in your batter. This method works best when you need large quantities or want to adjust the molasses intensity.
White granulated sugar
1:1 by weightWhite sugar provides the same sweetening power but lacks brown sugar's moisture and acidity. Cookies become crispier instead of chewy because they lose the moisture that keeps them tender. Cakes may be slightly drier. The flavor becomes cleaner and less complex, losing that subtle caramel note. In recipes using baking soda, add 1/8 teaspoon cream of tartar per cup of white sugar to replace the acidity that activates the leavening.
Coconut sugar
1:1 by weightCoconut sugar has a similar moisture content to brown sugar and provides comparable sweetness. The flavor is earthier and less molasses-forward, with hints of caramel and vanilla. It contains trace minerals that brown sugar lacks. Coconut sugar doesn't dissolve as easily as brown sugar, so cream it longer when making cookies (3-4 minutes instead of 2). The slightly larger crystal size can create a different texture in delicate baked goods.
Honey
3/4 cup honey for 1 cup light brown sugarHoney provides more moisture than brown sugar (about 18% water vs 5%) and different sugars (mainly fructose and glucose instead of sucrose). Reduce other liquids in the recipe by 1/4 cup per cup of honey used. Lower oven temperature by 25F because honey browns faster than sugar. Honey's acidity activates baking soda well, but the extra moisture can make cookies spread more and cakes denser. The floral notes replace brown sugar's molasses complexity entirely.
Maple syrup
3/4 cup maple syrup for 1 cup light brown sugarPure maple syrup contains about 32% water, making it more liquid than honey. Reduce other liquids by 3 tablespoons per 3/4 cup of maple syrup. The sucrose content is similar to brown sugar (about 60%) but includes fructose and glucose too. Maple flavor is more pronounced than brown sugar's subtle molasses notes. Grade A Dark works best for baking because it has stronger flavor that won't disappear. The natural acidity helps activate baking soda effectively.
Muscovado sugar
1:1 by weightMuscovado is unrefined cane sugar with natural molasses intact, giving it more complex flavor than regular brown sugar. Light muscovado has similar molasses content to light brown sugar (about 3-4%) but retains more minerals and has coarser crystals. The moisture content is slightly higher, making baked goods more tender. The flavor is more intense, with toffee and rum notes that brown sugar lacks. Cream longer when making cookies because the coarser crystals take more time to incorporate.
Raw cane sugar (turbinado)
1:1 by weightTurbinado sugar undergoes less processing than white sugar, retaining trace amounts of molasses and a light golden color. The molasses content is much lower than brown sugar (about 1% vs 3.5%), so you get less moisture and flavor complexity. The larger crystals don't cream as well, making cookies slightly less tender. The subtle caramel notes are present but mild. Works best in recipes where brown sugar plays a supporting role rather than starring.
Date sugar
2/3 cup date sugar for 1 cup light brown sugarDate sugar is ground dried dates, providing fiber, potassium, and antioxidants that brown sugar lacks. It doesn't dissolve like regular sugar, instead adding texture and concentrated sweetness. The natural fruit sugars (glucose and fructose) are less sweet than sucrose, requiring about 1.5 times the volume for equivalent sweetness. Date sugar burns more easily than brown sugar, so reduce oven temperature by 25F and watch carefully. The flavor is intensely fruity with caramel undertones.
How to Adjust Your Recipe
When switching from light brown sugar to liquid sweeteners like honey or maple syrup, reduce other liquids by 1/4 cup per cup of sweetener. Lower oven temperature by 25F because liquid sugars brown faster. For dry substitutes like white sugar, add 1-2 tablespoons of milk or water per cup to replace brown sugar's moisture in tender baked goods. When using coarser sugars like muscovado or coconut sugar, increase creaming time by 1-2 minutes to fully incorporate. Recipes depending on brown sugar's acidity (those with baking soda) need 1/8 teaspoon cream of tartar per cup when using neutral white sugar.
When Not to Substitute
Sticky toffee pudding, butterscotch sauce, and brown sugar fudge need light brown sugar's specific molasses content for authentic flavor. The molasses creates the characteristic taste that defines these desserts. Brown butter blondies rely on both brown sugar's molasses and browned butter's nutty notes working together. Substituting eliminates half the flavor profile. Some cookie recipes achieve their exact texture through brown sugar's precise moisture and acidity balance, particularly chewy chocolate chip cookies where the brown sugar creates the signature tender-chewy texture.
Frequently Asked Questions
Can I make light brown sugar from dark brown sugar?
Mix 1/2 cup dark brown sugar with 1/2 cup white sugar to approximate 1 cup light brown sugar. This reduces the molasses concentration from about 6.5% to 3.25%, very close to light brown sugar's 3.5%. The texture and moisture will be nearly identical to store-bought light brown sugar.
How much white sugar plus molasses makes 1 cup light brown sugar?
Mix 1 cup white sugar with 1 tablespoon molasses. This gives you the correct 3.5% molasses content. Mix thoroughly to distribute evenly, otherwise you'll get molasses streaks in your baked goods. Homemade brown sugar works in any recipe calling for store-bought.
Does coconut sugar work the same as light brown sugar in cookies?
Coconut sugar works at 1:1 ratio but creates slightly different results. Cookies may be less chewy because coconut sugar has larger crystals and dissolves differently. Cream the butter and coconut sugar for 4 minutes instead of 2 to break down the crystals better. The flavor is earthier, less molasses-forward.
Can I substitute light brown sugar in caramel sauce?
Use dark brown sugar at 1:1 ratio for better caramel flavor, or stick with light brown sugar as written. White sugar won't work because caramel sauce depends on brown sugar's molasses content for its characteristic taste. Honey or maple syrup will completely change the flavor and consistency, creating a different sauce entirely.
What happens if I use white sugar instead of brown sugar in banana bread?
Banana bread becomes less moist and loses the subtle caramel notes that complement banana flavor. Use white sugar at 1:1 ratio but add 2 tablespoons milk or mashed banana to replace brown sugar's moisture. The bread will still taste good but noticeably different, cleaner and less complex.