If you want an easy sugar free cranberry sauce that tastes like the classic Thanksgiving version without all the added sugar, this is it. I honestly don’t know what took me so long to try making it myself, but I’m officially done buying the Costco tub. Fresh cranberries + allulose = sweet, tart, and surprisingly simple for a holiday side.
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For years I just grabbed the ready-made tub of Costco cranberry sauce because it felt easier than thinking about another cranberry sauce recipe during the Thanksgiving rush. But one day I picked up that giant Costco bag of fresh cranberries and thought, “Why not try a sugar free cranberry sauce and skip all the added sugar this year?”
Now I freeze half the bag and use the rest for this homemade cranberry sauce that happens to be keto, low carb, and way more flavorful than anything pre-made. I’ll use it next to turkey, stir it into a quick sorbet, or turn it into a glossy cranberry sauce glaze for meat.
Turns out making cranberry sauce without sugar is easier than I expected and honestly, kind of fun, especially when the cranberries start popping like tiny edible fireworks.
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Why You'll Love it
- Truly easy — only two ingredients plus water.
- Bright, tart, sweet — but still sugar free.
- Works for keto, low carb, and “my aunt is avoiding added sugar” situations.
- No weird aftertaste (allulose stays smooth and clean).
- Doubles or triples easily for Thanksgiving or Friendsgiving.
- Sets up beautifully for sugar free cranberry jelly lovers.
Ingredients for Cranberry Sauce
- Fresh cranberries – the holiday favorite
- Allulose – dissolves cleanly for a sweet, glossy sauce.
- Water – just enough to get things simmering.
See recipe card for quantities.
Swaps & Add-Ins
(If you want them but you really don’t need them.)
- Monk fruit sweetener – works, but can crystallize slightly.
- Orange zest or a splash of orange juice – if you want the classic flavor.
- Cinnamon or vanilla – cozy and warm.
- A few chopped apples – for a cranberry sauce with applesauce vibe, but still “no sugar.”
How to Make It (Step-by-Step)
- Step 1: Rinse your cranberries and pick out any sad, squishy ones.
- Step 2: Heat the water and allulose in a saucepan over medium heat until the allulose is completely dissolved.
- Step 3: Add cranberries and bring to a simmer over medium heat — you’ll hear the cranberries start to pop.
- Step 4: Once they burst, reduce heat and cook 8–10 minutes, stirring until thick and glossy.
- Step 5: Taste and adjust sweetness if needed. Cool completely so it can set into that classic cranberry sauce texture.
Meal Prep / Make-Ahead Tips
- Make up to 5 days before Thanksgiving — it keeps beautifully.
- Freeze for up to 2 months; thaw in the fridge overnight.
- Use leftovers on sandwiches, yogurt bowls, or as a topping for baked brie.
- For a firmer sugar free cranberry jelly, cook a bit longer and chill in a mold.
Variations & Serving Ideas
- Add a splash of orange juice for the traditional holiday flavor.
- Stir in a pinch of cinnamon for cozy vibes.
- Mix with mayo for the world’s easiest leftover turkey spread.
- Swirl into overnight oats or chia pudding.
- Serve warm with pork or chicken for a sweet-tart twist.
Rose's Quick Tips
- Simmer gently — blasting the heat makes it seize or thicken unevenly.
- Allulose browns faster than sugar, so watch the pot.
- Mash lightly for rustic texture; cook longer for jellied style.
- Sauce thickens a ton after cooling — don’t overcook.
- Make it a day ahead — it tastes better chilled.
Recipe FAQs
This usually happens when using sweeteners like monk fruit or erythritol, which caramelize or overheat quickly. Allulose stays bright red because it behaves more like real sugar and doesn’t brown as fast. Keep the heat at a gentle simmer to protect the color.
Cranberries are extremely tart, and without real sugar or a sugar-like sweetener (like allulose), they can lean bitter. If the sauce tastes sharp, add a pinch of salt and a bit more allulose — it rounds out the flavor without adding carbs.
Yes. Frozen cranberries cook the same as fresh. The sauce may take an extra 1–2 minutes to come to a simmer, but you don’t need to thaw them or adjust the water.
Yes. Allulose gives you that smooth, sliceable sugar free cranberry jelly texture without gelatin. Just cook the sauce longer until very thick, then chill it in a small loaf pan or mold.
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Thank you!
Sugar Free Cranberry Sauce (Only 2 Ingredients)
Equipment
- 1 medium pot
Ingredients
- 4 cups fresh cranberries
- 1 cup allulose
- 1 cup water
Instructions
- Rinse cranberries and discard any soft or damaged ones.
- Add cranberries, allulose, and water to a medium saucepan.
- Bring to a simmer over medium heat.
- Cook 8–10 minutes, stirring occasionally, until berries burst and sauce thickens.
- Mash lightly for a rustic texture or leave chunkier.
- Let cool completely to set. Adjust sweetness to taste.
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Notes
- Sauce thickens significantly as it cools.
- Make up to 5 days ahead; keep refrigerated.
- Add orange zest, cinnamon, or vanilla for variations.
- For jellied cranberry sauce, cook until very thick and chill in a mold.
- Sweeten more or less depending on your preference.
Rose says
Honestly shocked how good this turned out. It’s sweet, tart, super fresh, and so easy I can’t believe I ever bought the Costco tub. This is my new go-to and i hope you enjoy this too!