Year Round Blueberry Jam

Unlock the secret to perfectly flavored, beautifully textured homemade blueberry jam! This easy-to-follow recipe uses a special ingredient to simplify the jam-making process, ensuring delicious results whether you start with fresh or frozen berries. Learn how to create delightful blueberry preserves that are perfect for your breakfast table, baking, or as thoughtful, handcrafted gifts.

Crafting the Perfect Blueberry Jam: A Foolproof Recipe for Every Season

There’s an undeniable charm and satisfaction that comes with making your own homemade jam. The aroma of simmering fruit filling your kitchen, the vibrant color of the finished product, and the pure, unadulterated taste are unmatched by any store-bought alternative. This recipe for blueberry jam takes that experience to the next level, making it incredibly accessible for everyone, from novice cooks to experienced preservers. What makes it so special? Our unique “secret ingredient” not only enhances the natural blueberry flavor but also helps achieve that ideal jam consistency without the fuss of traditional pectin calculations. Plus, the flexibility to use either fresh or frozen blueberries means you can enjoy this culinary delight all year round, regardless of berry season!

A spoon holding some blueberry jam over the jar of it.

The Versatility of Berries: Fresh vs. Frozen for Your Jam

One of the best aspects of this homemade blueberry jam recipe is its adaptability. You don’t have to wait for summer to make a batch of this luscious spread; both fresh and frozen blueberries yield exceptional results. But why is it so good to use frozen berries, and what are the benefits?

Many home cooks might not realize that frozen fruits and vegetables are often picked at their absolute peak of ripeness and flash-frozen within hours. This process locks in their nutritional value, vibrant color, and, most importantly for jam, their intense flavor. Unlike fresh produce that might travel long distances and lose some of its quality along the way, frozen blueberries offer a consistent, high-quality base for your jam, no matter the season. They are often more affordable and readily available, making jam-making a budget-friendly activity. Using frozen blueberries also eliminates the need for thawing, streamlining your preparation process. If you opt for fresh blueberries, you’ll need approximately 4 cups of berries to match the quantity in this recipe. Whichever you choose, ensure your berries are plump and flavorful to get the best possible outcome.

Unveiling the Secret: The Magic of Jell-O in Jam Making

For years, I’ve relied on a fantastic trick to achieve perfect jam consistency and flavor without the need for additional pectin: flavored Jell-O. Specifically, berry blue Jell-O works wonders in this blueberry jam. It serves multiple purposes:

  • Flavor Boost: Let’s be honest, sometimes even the freshest berries can lack that intense “berry” punch we crave. The Jell-O amplifies the blueberry flavor, ensuring a rich, deep taste every time.
  • Sweetness Balance: Jell-O contains sugar, which contributes to the overall sweetness of the jam and helps create a balanced profile.
  • Natural Pectin Alternative: The gelatin in Jell-O acts as a setting agent, allowing your jam to thicken beautifully without the need for traditional fruit pectin. This simplifies the process considerably, making it ideal for beginners.

While the berry blue Jell-O is my preferred secret weapon for its remarkable results, you can certainly make this jam without it. If you choose to omit the Jell-O, you will need to substitute it with a 3-ounce package of Certo liquid fruit pectin. Additionally, because Jell-O contributes sugar, you’ll need to increase the sugar content to 4 cups instead of 3½ cups to maintain the proper balance for the pectin to set correctly.

A jar of homemade blueberry jam with a spoon in it.

Essential Ingredients for Your Luscious Blueberry Jam

Creating this irresistible blueberry jam requires just a few key ingredients. Quality matters here, so choose the best you can find to ensure a truly delightful final product.

  • Frozen Blueberries (or Fresh): As discussed, 24 ounces of frozen blueberries are perfect, with no thawing required. If using fresh, aim for about 4 cups. Look for plump, deeply colored berries, whether fresh or frozen.
  • Granulated Sugar: This recipe calls for 3½ cups of sugar, which may seem like a lot, but it’s carefully balanced to achieve the perfect sweetness and texture when combined with the Jell-O and lemon juice. While you can reduce the sugar if you prefer a less sweet jam, I highly recommend sticking to the recommended amount for optimal results. I haven’t tested this recipe with sugar substitutes, so I can’t guarantee the outcome if you alter the sugar type.
  • Berry Blue Jell-O: This is our secret ingredient! A 6-ounce box of berry blue Jell-O is crucial for the unique flavor boost and setting properties in this recipe. While other fruit-flavored gelatin might seem appealing, the berry blue variant perfectly complements the blueberries without overpowering them. Remember to refer to the FAQ section if you wish to make this jam without Jell-O.
  • Fresh Lemon Juice: This often-overlooked ingredient is vital. 1 to 2 tablespoons of fresh lemon juice brightens the overall flavor of the berries, adding a necessary tangy counterpoint to the sweetness. It helps bring out the natural tartness of the blueberries, making the jam taste incredibly fresh. Always use fresh lemon juice; bottled varieties often contain preservatives that can alter the taste.
Blueberry Jello, sugar, and blueberries.

How to Make Homemade Blueberry Jam: A Step-by-Step Guide

Follow these detailed steps to create your delightful blueberry jam:

  1. Prepare Your Jars: Begin by washing and thoroughly drying your canning jars and lids. While this recipe does not require full water bath canning for refrigerator storage, clean jars are essential for hygiene and optimal shelf life. For canning, sterilize your jars according to standard canning procedures.
  2. Combine Ingredients: In a sturdy 3.5-quart pot, combine the frozen blueberries (no need to thaw!), granulated sugar, the full 6-ounce box of berry blue Jell-O, and 1 to 2 tablespoons of fresh lemon juice. Stir all ingredients together well to ensure they are evenly distributed.
  3. Cook and Dissolve: Place the pot over medium-high heat. Stir the mixture regularly to prevent sticking and burning, especially as the sugar begins to melt and the berries release their juices. Continue stirring until the sugar has completely dissolved, which typically takes about 8-10 minutes. The mixture will become more liquid and glossy.
  4. Mash the Berries: Once the sugar is dissolved, grab a potato masher and begin mashing the blueberries. Mash until they reach your desired consistency. If you prefer a chunkier jam, mash just enough to break down most of the berries, leaving some whole or in larger pieces. For a smoother jam, mash more thoroughly. If you desire an ultra-smooth jam, you can use an immersion blender later, after simmering.
  5. collage of two photos: frozen blueberries, sugar, berry blue jell-o and lemon juice added to a large pot; a potato masher mashing berries for jam.
  6. Boil and Simmer: Bring the mixture to a gentle boil, then immediately reduce the heat to a simmer. Let the jam simmer for approximately 5-6 minutes, stirring occasionally. During this time, the flavors will meld, and the jam will begin to thicken slightly.
  7. Skim the Foam: As the jam simmers, you’ll likely notice a light pink foam gathering on the surface. While this foam doesn’t affect the taste, skimming it off with a spoon will result in a clearer, more aesthetically pleasing jam. It only takes a few minutes and is well worth the effort for a professional-looking finish.
  8. collage of two photos: a spoon removing the foam off the top of the jam; a ladle pouring warm blueberry jam mixture into a mason jar.
  9. Fill the Jars: Carefully remove the pot from the heat. Pour the hot jam into your clean, prepared jars. Using a wide-mouth funnel can make this step much easier and prevent spills, ensuring your jars stay clean.
  10. Clean and Seal: Use a clean, slightly damp cloth to wipe the rims and edges of the jars, removing any sticky residue. This step is crucial for achieving a good seal if you plan on canning the jam. Screw on the lids tightly.
  11. Cool and Chill: Allow the filled jars to cool completely on your kitchen counter at room temperature. This can take several hours. Once cooled, transfer the jars to the refrigerator. The jam will fully thicken and reach its ideal consistency after chilling for at least 24 hours.
  12. collage of two photos: a dish cloth wiping the mouth of the mason jar off; a jar of homemade blueberry jam on a plate.

Serving Suggestions: Enjoying Your Homemade Blueberry Jam

Once your homemade blueberry jam has chilled and set, the possibilities are endless! Beyond the obvious choice of slathering it on warm biscuits, consider spreading it generously on toast, pancakes, waffles, or even my homemade English muffin bread for an incredible treat. It’s also fantastic as a filling for pastries, a topping for yogurt or oatmeal, or swirled into a batch of vanilla ice cream. Don’t be afraid to experiment!

A homemade english muffin with homemade blueberry jam on it.

Storage and Preservation: Making Your Jam Last

Proper storage is key to enjoying your homemade blueberry jam for as long as possible. When stored in the refrigerator, this jam will last for about a month, or up to two months at most. For longer-term storage, you have two excellent options:

  • Freezing: This jam freezes beautifully and can be stored in the freezer for up to a year. Ensure your jars are freezer-safe and leave a little headspace at the top to allow for expansion.
  • Water Bath Canning: For shelf-stable jam that can be stored in your pantry, you can use a water bath canning procedure. This is a traditional method that creates a vacuum seal, preserving the jam for extended periods. I recommend following reliable guidelines for water bath canning, such as those provided by Ball Mason Jars, for best safety practices.

Frequently Asked Questions About Blueberry Jam

Does this jam have to be chunky?
I personally love a chunky jam, as it offers a more rustic texture and highlights the fruit. However, if you prefer a smoother consistency, you can easily use an immersion blender after simmering to smooth it out before jarring.
What size jars should I use?
I often use 11-ounce jars, which yields just over 4 jars of this recipe. Alternatively, 8-ounce jelly jars are also a great option, and you’d get approximately 6 jars from one batch. Choose jars with tight-fitting lids suitable for jam.
Do I have to scoop the foam off the top?
No, it’s not strictly necessary. The foam does not affect the taste or safety of the jam. However, skimming the foam creates a clearer, prettier jam with a more refined appearance. It only takes a few minutes and I find it worth the small effort.
I don’t like seeds, can I remove them?
Blueberry seeds are quite minuscule and often go unnoticed in the jam. However, if you are particular about seeds, you can strain the mashed blueberry mixture through a fine-mesh strainer after simmering. You may need to press it through to help with the thick consistency. Keep in mind that seeds offer additional fiber and nutrients, so leaving them in is also a healthy choice.

Explore More Homemade Preserve Recipes

If you’ve enjoyed making this blueberry jam, you might be craving more delicious homemade spreads. Here are some other delightful recipes to try:

  • Raspberry Jam (with fresh or frozen berries)
  • Strawberry Jam (with fresh or frozen berries)
  • Raspberry Honey Butter
  • Strawberry Rhubarb Jam
  • Strawberry Freezer Jam (no boiling)

Blueberry Jam (with Fresh or Frozen Berries)

Save some money and learn to make your own DIY Blueberry Jam with this secret ingredient jam recipe. Plus you can use fresh or frozen berries!

A small plate with a jar of homemade blueberry jam.
  • Prep Time: 20 minutes
  • Cook Time: 16 minutes
  • Chill Time: 1 day
  • Total Time: 1 day 36 minutes
  • Servings: 48 servings
  • Author: Brandie Skibinski

Ingredients

  • 24 ounces frozen blueberries (or 4 cups fresh blueberries)
  • 3 ½ cups granulated sugar
  • 6 ounce box berry blue Jell-O
  • 1-2 Tablespoons fresh lemon juice

Instructions

  1. Wash and dry jars with lids.
  2. In a 3.5 quart pot, over medium-high heat, add 24 ounces frozen blueberries, 3 ½ cups sugar, 6 ounce box berry blue Jell-O, and 1-2 Tablespoons fresh lemon juice. Stir regularly.

    frozen blueberries, sugar, berry blue jell-o and lemon juice added to a large pot.
  3. Once sugar has dissolved (this takes anywhere from 8-10 minutes), take a potato masher and begin mashing most of the berries (leaving some chunks is fine). Allow the mixture to come to a gentle boil then turn down to a simmer for about 5-6 minutes.

    A potato mashed mashing berries for jam.
  4. As it simmers, you’ll notice a light pink foam gathering at the top. Skim off any “foam” from the top of the simmering jam using a spoon.

    A spoon holding some foam from the jam.
  5. Remove from heat and pour into clean jars. I find it easiest to do with a wide mouth funnel.

    A ladle pouring homemade blueberry jam into a funnel into a jar.
  6. Wipe the edges of the jar with a clean, slightly damp cloth. Then screw on the lids. Allow the jars to cool completely on the counter then put into the refrigerator.

    Wiping off the edge of a blueberry jam jar.
  7. Mixture fully thickens into a jam consistency after it has chilled in the refrigerator for at least 24 hours. Store in the refrigerator for up to a month.

    A spoon holding some blueberry jam over the jar of it.

Video

Notes

  • Please refer to the detailed sections above for substitutions or answers to common questions.
  • Fresh berries can be used; substitute with 4 cups of fresh blueberries.
  • If not using berry blue Jell-O, use 1 (3 ounce) pouch Certo liquid fruit pectin instead and increase sugar to 4 cups.
  • The sugar amount is balanced for this recipe; use less if you prefer, but results may vary.
  • Blueberry jam can be stored in the freezer for up to a year.
  • You can also preserve the blueberry jam using a water bath canning procedure; see recommended directions in the “Storage and Preservation” section.
  • Course: Side Dish
  • Cuisine: American

Nutrition

Calories: 78kcal | Carbohydrates: 20g | Protein: 0.4g | Fat: 0.1g | Sodium: 17mg | Fiber: 0.3g | Sugar: 19g

Nutritional Disclaimer: The nutritional information shared is an estimate and not from a certified dietician or nutritionist. Calorie counts and other nutritional values can vary based on specific brands and ingredients used. If precise nutritional values are important to you, please use an online nutritional calculator with your chosen ingredients.