Easy Rhubarb Butter

• Prep Time: 10 minutes

• Cook Time: 45–60 minutes

• Cooling Time: 30 minutes

• Total Time: 1.5–2 hours

• Yield: About 2 cups (1 pint)

• Difficulty: Easy

• Intensity: Low

• Cuisine: American Homestyle

• Season: Best in spring and early summer (May–July)

Why You’ll Love This Recipe

Rhubarb Butter is a naturally thick, rich fruit spread made by simmering rhubarb with sugar, spices, and sometimes citrus until it reduces into a smooth, spoonable consistency. Unlike jam or jelly, fruit butter doesn’t use pectin — it thickens on its own as the water cooks off.

Its beautiful pink hue, zippy flavor, and velvety texture make it an absolute favorite on toast, pancakes, yogurt, scones, or even as a swirl in baked goods. It’s simple, elegant, and a delicious way to preserve rhubarb season.

Ingredients

• 6 cups chopped rhubarb (about 1½ lbs, trimmed)

• ¾ to 1 cup granulated sugar (adjust to taste)

• 1 teaspoon vanilla extract

• ½ teaspoon ground cinnamon (optional)

• Zest and juice of ½ lemon (optional but adds brightness)

• Pinch of salt

Optional Add-Ins:

• 1 apple, peeled and chopped (adds natural pectin and soft sweetness)

• ½ teaspoon ground ginger or cardamom for a spiced version

• 1 teaspoon orange zest for citrus depth

Ingredient Notes

• Rhubarb: Use fresh rhubarb, preferably red stalks for the brightest color. Avoid leaves — they are toxic.

• Sugar: Rhubarb is tart, so sweetener is essential. You can reduce sugar for a more tangy butter or use honey or maple syrup instead.

• Lemon: Enhances tartness and helps preserve color and flavor.

Equipment Needed

• Heavy-bottomed saucepan or Dutch oven

• Wooden spoon or silicone spatula

• Blender or immersion blender (for a smooth finish)

• Jar(s) for storage (sterilized if preserving long-term)

• Fine mesh strainer (optional, for ultra-smooth texture)

How to Make Rhubarb Butter

Step 1: Prep the Rhubarb

Wash and trim the rhubarb stalks, removing any leaves. Chop into ½-inch pieces until you have about 6 cups. If using apples, peel and dice them now.

Step 2: Simmer the Fruit

Add the rhubarb, sugar, lemon juice/zest, and a pinch of salt to a large, heavy-bottomed saucepan. If using apple or spices, add them now.

Cook over medium heat, stirring occasionally, until the rhubarb breaks down and becomes soft — about 15–20 minutes.

Step 3: Blend for Smoothness

Once the fruit has softened, remove from heat and blend using an immersion blender right in the pot — or carefully transfer to a blender or food processor.

Blend until completely smooth, unless you prefer it slightly chunky.

Step 4: Reduce to Butter Consistency

Return the puree to the pot (if removed). Cook uncovered over low to medium-low heat, stirring frequently to prevent scorching.

Simmer gently for 25–35 more minutes, or until the mixture thickens significantly and reduces by about one-third. It should coat the back of a spoon.

Tip: Stir constantly toward the end — fruit butter thickens fast and can scorch easily.

Step 5: Flavor and Finish

Stir in vanilla extract and adjust seasoning: add more sugar or lemon juice if desired.

Remove from heat and let cool slightly.

Step 6: Store

Transfer the rhubarb butter to clean jars. Allow to cool completely before sealing. Store in the refrigerator for up to 3 weeks, or freeze for up to 6 months.

Storage & Preserving Tips

• Refrigerator: Store in airtight jars or containers for up to 3 weeks.

• Freezer: Use freezer-safe jars or bags. Leave headspace for expansion.

• Canning (Optional): Rhubarb is acidic enough to water bath can, but always follow tested guidelines from sources like the National Center for Home Food Preservation.

Serving Ideas

• Spread on toast, English muffins, or croissants

• Swirl into oatmeal, yogurt, or chia pudding

• Serve with cheese and crackers (pairs beautifully with brie or goat cheese)

• Use as a filling for thumbprint cookies or tarts

• Spoon over pancakes, waffles, or ice cream

• Stir into lemonade, cocktails, or vinaigrettes

Flavor Variations

• Vanilla Bean Rhubarb Butter: Split a vanilla bean and simmer it with the rhubarb for an extra-luxurious flavor

• Rhubarb-Strawberry Butter: Replace 1–2 cups of rhubarb with fresh or frozen strawberries

• Spiced Rhubarb Butter: Add ¼ tsp each of cinnamon, ginger, and cardamom for a warm, chai-like flavor

• Maple Rhubarb Butter: Replace sugar with pure maple syrup for a rich twist

Nutrition Information (Per Tablespoon – Approximate)

Note: Based on recipe with 1 cup sugar. Adjusts if using less sweetener.