Strawberries are slowly cooked with sugar and real vanilla until they become a glossy, intensely flavored spread you’ll want to put on everything. Thicker and silkier than jam, this strawberry butter is a delicious way to preserve fruit for the pantry.
A brief note before you begin: this recipe rewards patience. The key is a slow, steady reduction on the stove while you stir. Rushing the process won’t produce the right texture or depth of flavor. Arrange a comfortable spot at the stove, pour a cup of coffee or tea, and enjoy one of the most satisfying canning projects you can make.
What You’ll Need
- A large, heavy-bottomed pot or Dutch oven (give the mixture room to bubble and reduce)
- An immersion blender (or a standard blender; use caution when handling hot fruit)
- A water bath canner for processing jars
- 6–7 half-pint (8 oz) jars with new lids and rings
- A jar lifter
- A bubble remover or small silicone spatula
This is a tested water-bath canning recipe. The proportions of fruit, granulated sugar, and bottled lemon juice are specifically chosen to ensure a safe, shelf-stable result. Please do not swap in sugar substitutes or omit the bottled lemon juice if you plan to can the butter. If you prefer a lower-sugar version, make it and refrigerate rather than water-bath canning.
- 3 pounds strawberries, hulled
- 1 ½ cups granulated sugar
- 2 vanilla beans
- ¼ cup bottled lemon juice (bottled for consistent acidity)
Instructions
Step One: Macerate the Strawberries
Place the hulled strawberries and the granulated sugar in your large pot. Heat over medium and stir occasionally. After a few minutes the berries will release their juices and the sugar will dissolve, leaving a glossy pool of syrup in the pot. That’s your cue to move to the next step.
Step Two: Add the Vanilla and Simmer
Split the vanilla beans lengthwise and add both pods and seeds to the pot. Bring the mixture to a boil, then lower the heat to maintain a gentle simmer. Let it cook for about 30 minutes; during this time the vanilla will infuse and the fruit will begin to break down.
Step Three: Blend until Smooth
Remove the vanilla pods from the pot. Scrape any remaining seeds back into the mixture if you like extra vanilla flecks. Use an immersion blender to purée the fruit until completely smooth—no lumps or chunks. If you use a stand blender, work in small batches and be careful with the hot liquid.
Step Four: Reduce Until Thick
Return the puréed mixture to a gentle boil, then lower to a simmer. Now reduce the mixture for 1 to 1½ hours, stirring frequently. The goal is to evaporate excess water so the butter darkens and thickens to a spreadable consistency. Stir more often toward the end to avoid sticking. To test doneness, dip a spoon, run your finger across the back, and watch whether the trail holds; if it does, the butter is ready.
Step Five: Prep Your Jars and Canner
While the butter finishes reducing, wash jars, lids, and rings in hot soapy water. Keep the jars hot by simmering them (do not boil) in the water bath canner until you are ready to fill. Putting hot butter into hot jars and then processing them in hot water helps prevent thermal shock and cracking.
Step Six: Stir in the Lemon Juice
When the butter has reached the proper thickness, stir in ¼ cup bottled lemon juice and simmer for another 5 minutes. This bottled lemon juice step is important for safe water-bath canning because it provides consistent acidity; do not substitute fresh lemon juice if you intend to can.
Step Seven: Fill the Jars and Process
Ladle the hot strawberry butter into hot jars, leaving about ¼-inch headspace. Use a bubble remover or a small spatula to release trapped air, wipe rims with a clean damp cloth, and place lids and rings on fingertip tight—snug but not overly tightened.
Lower jars into the water bath canner so they are covered by at least 1 inch of water. Bring to a rolling boil and process for 10 minutes (increase processing time as required for higher altitudes). After processing, turn off heat, remove the canner lid, and let jars sit in the hot water for 5 minutes.
Transfer jars to a towel-lined surface and let them cool undisturbed for 12–24 hours. Once cool, press the center of each lid; if it does not flex or pop back, the jar is sealed. Remove rings, wipe jars clean, label with the date, and store in a cool, dark pantry.
Storage Instructions
Shelf life: Properly sealed jars stored in a cool, dark place will keep for 12–18 months.
After opening: Refrigerate and use within 2–3 weeks for best quality.
How to Use It Up
- Spread on toast, biscuits, English muffins, or scones.
- Use in place of jam in baking, for example thumbprint cookies or tart fillings; strawberry butter often sets more smoothly than jam.
- Include jars in gift baskets—homemade fruit butter is a popular, attractive gift during holidays and special occasions.
Troubleshooting
Cook it longer. The mixture needs time for moisture to evaporate—keep it at a low simmer and stir regularly until it thickens.
Stir in a tablespoon or two of water or reserved strawberry juice and reheat briefly to loosen the texture.
If scorching starts, reduce the heat and stir more often, especially during the final 30 minutes. If the bottom is already burned, carefully transfer the unscorched butter to a clean pot and avoid scraping the burned bits.
Printable Recipe
Strawberry Butter for Canning
Equipment
- Large heavy-bottomed pot or Dutch oven
- Immersion blender (or regular blender)
- Water bath canner
- 7 half-pint jars with lids and rings
- Jar lifter
- Bubble remover or small spatula
Ingredients
- 3 pounds strawberries, tops removed
- 1 ½ cups granulated sugar
- 2 vanilla beans, split lengthwise
- ¼ cup bottled lemon juice (bottled only)
Instructions
- Macerate the strawberries. In a large pot, combine strawberries and sugar over medium heat. Stir occasionally until the berries release their juices and the sugar dissolves.
- Add the vanilla. Split the vanilla beans and add them to the pot. Bring to a boil, then reduce to a simmer and cook for 30 minutes.
- Blend smooth. Remove the vanilla pods and blend the mixture until completely smooth using an immersion blender or a standard blender in small batches.
- Reduce until thick. Return to a gentle boil, then simmer for 1 to 1½ hours, stirring frequently, until thickened. Test with a spoon: a trail across the back should hold.
- Prep the jars. Wash jars, lids, and rings in hot soapy water. Keep jars hot (simmering) in the canner until ready to fill.
- Add the lemon juice. Stir in the bottled lemon juice and simmer for an additional 5 minutes.
- Fill the jars. Ladle hot strawberry butter into hot jars, leaving ¼-inch headspace. Remove air bubbles, wipe rims, and apply lids and rings fingertip tight.
- Process. Place jars in the water bath canner, covered by at least 1 inch of water. Bring to a rolling boil and process for 10 minutes (adjust for altitude).
- Cool. Turn off the heat, remove the canner lid, and let jars sit for 5 minutes. Move to a towel-lined surface and cool undisturbed for 12–24 hours.
- Check seals and store. Confirm lids are sealed, remove rings, label with the date, and store in a cool, dark place. Refrigerate after opening and use within 2–3 weeks.
Notes
Use bottled lemon juice only when canning. Fresh lemon juice varies in acidity and is not recommended for water-bath canning.
Do not reduce the sugar if you plan to water-bath can. The sugar and lemon juice together contribute to the recipe’s tested safety.
Frozen strawberries work fine; thaw them and include all juices. Expect a slightly longer simmer to reach the same thickness.
If vanilla beans are unavailable, add 2 teaspoons of vanilla extract when you stir in the lemon juice.