Sugar-Free Butterscotch Syrup

This is the syrup behind our Sugar-Free Butterscotch Latte — the same real-butter-and-cream method as the Standard syrup, with a monk fruit or allulose blend standing in for the brown sugar. Unlike our Sugar-Free Caramel Syrup, this recipe doesn’t need a sweetener that caramelizes on its own – the butter and cream carry the technique either way, so a standard monk fruit/allulose blend works fine here.

One Honest Difference From the Standard Syrup

Brown sugar carries its own molasses flavor that a monk fruit/allulose blend simply doesn’t have – so this version leans a little more on the butter, cream, vanilla, and salt to get to a butterscotch-like flavor, rather than the sweetener itself contributing depth the way brown sugar does in the Standard recipe. It’s close, not identical – if the small flavor gap matters to you, that’s the tradeoff for cutting the added sugar.

The Syrup

Melt 4 tbsp butter in a small saucepan over medium heat. Add 1 cup granulated monk fruit or allulose sweetener and stir it in, cooking for 3-4 minutes until fully dissolved into the butter and the mixture looks glossy and bubbling – it won’t turn a shade darker the way brown sugar does, since there’s no molasses in it, and that’s normal. Off the heat, carefully whisk in 1/4 cup warm water a little at a time (it bubbles up), then return to low heat and whisk in 1/2 cup heavy cream, simmering gently for 1-2 minutes until smooth. Finish with 1/2 tsp vanilla extract and 1/4 tsp salt, off the heat. Let cool completely.

Store the finished syrup in a sealed jar in the fridge for up to 1 week. It makes roughly 12 drinks’ worth at 2 tbsp per serving.

This batch (12 servings)$4.20 total

Per 2 tbsp serving~$0.35

Assumptions: unsalted butter ($4.50/lb, $0.14/tbsp), monk fruit/allulose blend at typical bulk-bag pricing ($3/cup, same sourcing as the site’s other sugar-free syrups), heavy cream ($4.50/quart), and vanilla extract at Costco-size pricing (~$0.30/tbsp). The sweetener costs more per cup than plain brown sugar, which is why this syrup runs pricier per serving than the Standard version despite the identical technique.

Storage & Shelf Life

• Keeps about 1 week in a sealed jar in the fridge – shorter than the site’s other sugar-free syrups (which typically keep 2 weeks), because this one has real butter and cream in it.
• Give it a shake or stir before every use – the butter and cream can separate slightly as it sits.
• Crystallizing in the fridge? Some sweetener blends crystallize faster than sugar does – gently reheat the jar in a warm water bath to re-dissolve before using.

Sweetener Notes

• Monk fruit or allulose blends measure roughly cup-for-cup like brown sugar and behave most like it here – the easiest substitution if this is your first sugar-free syrup.
• Stevia works but is far more concentrated – use a fraction of the amount and adjust to taste.
• This is the tier that actually cuts sugar for butterscotch – the Clean-Ingredient version below still uses real brown-sugar-equivalent sweetness (from maple syrup) and doesn’t claim otherwise.

What to Make With This

2 tbsp of this syrup, stirred into hot espresso before adding milk, is the Sugar-Free Butterscotch Latte. If sugar content isn’t your main concern, the Butterscotch Syrup (Standard) uses the same method with real brown sugar, or the Maple Butterscotch Syrup behind our Clean-Ingredient tier swaps in real maple syrup instead.

Recipe Card Summary

Sugar-Free Butterscotch Syrup

• 4 tbsp butter + 1 cup monk fruit/allulose sweetener, cooked together, finished with 1/2 cup cream, vanilla, and salt
• Makes ~12 servings (2 tbsp each) · Prep: 5 min · Total: 20 min (mostly cooking + cooling)
• Cost: ~$4.20/batch, ~$0.35/serving

FAQ

Do I need to make this every time I want a latte?

No — make one batch and it covers about 12 drinks over about a week. The Sugar-Free Butterscotch Latte recipe assumes you already have a jar on hand.

Does the sweetener change the taste much?

A little – monk fruit and allulose are close to neutral-sweet and don’t carry brown sugar’s molasses note, so this version leans more on the butter, cream, vanilla, and salt for flavor. It’s close to the Standard syrup, not identical.

If I’m cutting sugar, should I get this or the Clean-Ingredient version?

This one. Our Clean-Ingredient Butterscotch Syrup swaps brown sugar for real maple syrup but is honest that it isn’t a lower-sugar recipe – this Sugar-Free version is the one actually built to cut it.