Tart cranberries and sweet apples cook into a smooth, ruby fruit butter without added sugar. This custom batch is only for refrigerator or freezer storage.
Sugar Free Cranberry Apple Butter
- Prep: 20 minutes
- Cook: 5 to 6 hours
- Setting: High, then low
- Yield: About 2 cups
- Storage: Refrigerator or freezer
Fruit naturally contains sugar. “Sugar-free” here means no sugar or syrup is added; check individual dietary requirements before serving.
Ingredients

- 12 ounces fresh cranberries
- 2 pounds sweet apples
- 2 tablespoons bottled lemon juice
- 1 teaspoon ground cinnamon
- 1/4 teaspoon ground ginger
- Pinch of kosher salt
- 1 teaspoon vanilla extract
How to Make Cranberry Apple Butter
- Prepare: Rinse cranberries and apples. Peel, core, and cut apples into 1-inch chunks. Discard every seed, core piece, and damaged cranberry.
- Start: Put fruit, lemon juice, cinnamon, ginger, and salt in a 4-quart slow cooker. Cover and cook on high for 2 hours.

Cook until the apples are tender and the cranberries have burst. - Blend: Switch off the cooker briefly. Blend until completely smooth with the immersion-blender head fully submerged.
- Reduce: Set to low. Following the appliance manual, place the lid slightly ajar and cook 3 to 4 hours, stirring every 30 minutes.

Reduce until the smooth fruit butter holds a clear trail. - Test: Spoon a sample onto a chilled plate. After 1 minute, it should mound softly without a watery ring.
- Finish: Stir in vanilla. Transfer to clean shallow containers and refrigerate promptly.
Texture Checklist
- Every apple seed is removed.
- Cranberries have burst fully.
- The puree is completely smooth.
- The chilled sample mounds.
- No scorched aroma develops.
Compare our slow-cooker peach butter, plum fruit butter, or sugar-free pumpkin butter.
Preservation and Storage
This custom formula has not been laboratory tested for canning. Do not water-bath can, pressure-can, oven-can, vacuum-seal for pantry storage, or leave filled jars at room temperature.
USDA guidance recommends prompt refrigeration at 40°F or below. Cool the butter quickly in shallow containers and use a clean spoon every time.
- Refrigerate for up to 7 days.
- Freeze for up to 3 months.
- Leave expansion space when freezing.
- Thaw overnight in the refrigerator.
Choose the Right Apples
Use naturally sweet apples such as Fuji, Gala, or Honeycrisp to balance cranberry tartness without sweetener. Combine varieties for a rounder flavor.
Weigh apples before peeling and coring. Cut even chunks so they soften at the same rate and blend without firm pieces.
Serving Ideas
- Spread thinly on toast.
- Spoon over plain yogurt.
- Swirl into warm oatmeal.
- Serve beside cottage cheese.
The butter thickens after chilling. Judge the final consistency the next day before reducing it again, because reheating a dense batch can scorch quickly.
Label every clean container with the preparation date. Keep one small portion for current use and freeze the remainder promptly to avoid repeated warming and cooling.
Serve with a clean spoon and never return leftovers from a plate to the container. Cross-contact introduces crumbs and shortens safe storage quality.
Frequently Asked Questions
Can I use frozen cranberries?
Yes. Add unsweetened frozen berries directly and expect a slightly longer softening stage.
Why is my butter too tart?
Apple sweetness varies. Serve a thin portion with naturally mild foods rather than adding unmeasured sweetener.