How to Make Brown Sugar With 2 Ingredients (Light or Dark)
In Short
To make brown sugar, mix 1 cup of granulated sugar with 1 tablespoon of molasses for light brown sugar, or 2 tablespoons for dark. Stir with a fork, or pulse in a food processor, until the color is even and no streaks remain. Use it cup for cup in place of store-bought, packed.
That's it! Two pantry ingredients and about five minutes.

Light vs. Dark Brown Sugar Ratios
Dark brown sugar has twice the molasses of light. That's the only difference.
Here are the ratios in cups and in grams. The gram weights come from King Arthur Baking's ingredient weight chart.
It lists granulated sugar at 198 grams per cup and molasses at 85 grams per ¼ cup (about 21 grams per tablespoon).
| Granulated sugar | Light brown: molasses | Dark brown: molasses |
|---|---|---|
| ½ cup (99 g) | 1½ teaspoons (11 g) | 1 tablespoon (21 g) |
| 1 cup (198 g) | 1 tablespoon (21 g) | 2 tablespoons (43 g) |
| 2 cups (396 g) | 2 tablespoons (43 g) | ¼ cup (85 g) |
| 4 cups (792 g) | ¼ cup (85 g) | ½ cup (170 g) |
Yield: King Arthur lists a packed cup of brown sugar at 213 grams. One cup of sugar plus 1 tablespoon of molasses comes out to about 219 grams, so you get right around 1 packed cup.

How to Make Brown Sugar
Granulated Sugar (1 cup). The base. White or cane sugar both work.
Molasses (1 to 2 tablespoons). Adds color, moisture, and flavor. Use regular unsulphured molasses and skip blackstrap, which is bitter and strong. Save the rest of the jar for my soft molasses cookies.
- Pour the sugar into a medium bowl.
- Drizzle the molasses over the top.
- Mash and stir with a fork, pressing the dark clumps against the side of the bowl.
- Keep going for 2 to 3 minutes, until the color is even with no streaks.
For a bigger batch, use a stand mixer with the paddle on low, or pulse it in a food processor in short bursts.
Scrape the bottom of the bowl, where molasses likes to hide.
Finish with clean hands. Rubbing the sugar between your fingers breaks up the last streaks faster than any fork.
Does Homemade Bake Like Store-Bought?
Yes. Brown sugar is sugar crystals coated in molasses, and that's exactly what you're making in the bowl.
Homemade can feel a little moister at first.
Measure it packed, and it swaps 1:1 in cookies, cakes, and bars.
If you use a food processor, the crystals come out a bit finer. That won't change how it bakes.
How to Make Brown Sugar Without Molasses
Use the same amount of pure maple syrup or honey in place of molasses.
It won't taste like true brown sugar, but it adds the moisture and some color.
- Maple syrup: Mild, with a maple note. Use real maple syrup, not pancake syrup.
- Honey: Floral. A darker honey gets closer to molasses.
Mix it the same way, then spread it on a plate for a few minutes if it feels too wet.
Brown Sugar Substitute Options
If you're out of brown sugar and molasses, here's what works and what changes.
- White sugar alone: Swap it in equal amounts. Cookies come out crisper and paler, since you lose the molasses moisture.
- White sugar + maple syrup or honey: The closest stand-in without molasses (see above).
- Coconut sugar: Swap it in equal amounts. It has a caramel color but runs drier, so expect a slightly different texture.
- Dark brown for light (or light for dark): These swap 1:1. Dark just tastes stronger.
For chewy cookies, homemade brown sugar is still the best substitute by far.
How to Store Homemade Brown Sugar
Store it like the bagged kind.
Penn State Extension says to keep brown sugar in a plastic bag, a tight-fitting container, or a jar with a tight lid.

Homemade is softer and stickier at first.
Over time, it can dry out and harden just like store-bought.
If that happens, don't toss it. Here's how to soften brown sugar in the microwave or overnight with a slice of bread.
Stacie's Tricks & Tips
- Start light, then adjust: Add molasses a teaspoon at a time until the color looks right to you.
- Pack it to measure: Press homemade brown sugar into the cup, just like store-bought.
- Make only what you need: It takes five minutes, so there's no reason to make a big batch that dries out.
- Weigh it for accuracy: My baking measurement conversion chart has the cup-to-gram numbers for sugar, flour, and more.
Homemade dark brown sugar is perfect in my bakery-style chocolate chip cookies.
Once you've made it, you'll never panic over an empty bag again.
For a professional bakery look with easy cleanup, Caraway Home is my go-to choice. Grab yours here and use code STACIE for a festive saving!
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Frequently Asked Questions
How do I make 1 cup of brown sugar?
Mix 1 cup of granulated sugar with 1 tablespoon of molasses for light brown sugar, or 2 tablespoons for dark. That comes out to about 219 grams, right around 1 packed cup. Stir with a fork for 2 to 3 minutes, until the color is even with no streaks.
Can I turn regular sugar into brown sugar?
Yes! Regular white sugar plus molasses is brown sugar, since brown sugar is just sugar crystals coated in molasses. Use 1 tablespoon of molasses per cup for light or 2 for dark. Measure it packed, and it swaps 1:1 in cookies and bars.
Can you make brown sugar without molasses?
Yes. Use the same amount of pure maple syrup or honey in place of molasses. It won't taste like true brown sugar, but it adds the moisture and some color. Use real maple syrup, not pancake syrup, and spread the mix on a plate for a few minutes if it feels too wet.
How do you make brown sugar at home?
Stir molasses into granulated sugar with a fork until the color is even. Press the dark clumps against the side of the bowl and scrape the bottom, where molasses likes to hide. For a bigger batch, use a stand mixer on low or pulse it in a food processor. Rubbing it between clean fingers breaks up the last streaks fastest.
How do I turn light brown sugar into dark?
Add about 1 more tablespoon of molasses per cup of light brown sugar and mix until even. That doubles the molasses, which matches the dark ratio of 2 tablespoons per cup of sugar. Add it a teaspoon at a time if you want something in between. Dark and light also swap 1:1 in recipes, and dark just tastes stronger.
Can I use blackstrap molasses to make brown sugar?
No, I don't recommend it. Blackstrap is bitter and strong, and that flavor carries into whatever you bake. Stick with regular unsulphured molasses, using 1 tablespoon per cup of sugar for light brown or 2 for dark. Add it a teaspoon at a time until the color looks right to you.
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