Homemade Jello from scratch (keto, low calorie)

This sugar-free jello is bursting with real berry flavor and so easy to make.

Made with just 3 natural ingredients: berry juice, gelatin, and your chosen sweetener, it’s perfect for a light and healthy summer sweet treat.

Plus, it’s low-calorie, fat-free, and suits most dietary needs (dairy-free, gluten-free).

Best part? No baking required – just follow my instructions and enjoy delicious homemade jello anytime!

The recipe requires:

3 Ingredients

Active cooking time: 10 minutes

Chill time: 4 hours

Total cooking time: 4 hours 10 minutes

sugar-free homemade jello-recipe

Table of Contents

Why you will love this!

  • Great way to satisfy your sweet tooth with a healthy treat
  • Only natural ingredients, no added sugar, artificial flavoring or artificial dyes
  • Low in calories (40 cal) and carbs (6.2 g net carbs), a good choice for weight loss
  • Dairy-free, fat-free and gluten-free
  • Easy to make
  • Just 3 simple ingredients
  • Packed with nutrients and antioxidants
  • No baking is required, ideal for a hot weather
low carb jello-recipe

Sugar-Free Jello Recipe

Ingredients

The ingredient list for this easy recipe includes: 

Berry Juice (100% Natural): Choose unsweetened juice without added sugar or artificial ingredients or make your own juice from fresh fruit. Here’s a quick carb guide (per cup serving):

  • Lemon Juice/Lime Juice: ~16g net carbs
  • Strawberry Juice: ~18g net carbs
  • Blueberry Juice: ~23g net carbs
  • Cranberry Juice: ~30g net carbs

Plain, Sugar-Free Gelatin: Look for unflavored gelatin packets or sheets in the grocery store. (See instructions below for using gelatin.)

Low-carb sweetener: you can choose between erythritol, allulose, xylitol, monk fruit, or other low-carb sweetener of your choice. 

  • Paleo Sweetener:  use natural sweeteners like maple syrup, honey, or coconut sugar if you don’t restrict your carb intake. 

Coconut oil/butter (optional) – lightly grease your mold for easy removal.

gelatin, erythritol, cranberry juice, water

Equipment

To make homemade jello, you’ll need:

  • Small Saucepan
  • Whisk
  • Mold
  • Plastic wrap (optional)

Instructions​

Step 1: Bloom gelatin

First, we need to bloom gelatin, here is how to do that: 

  1. Powdered Gelatin: Place gelatin granules in a bowl and pour in 150 ml (0.6 cup) of cold water. Let it sit for 5-10 minutes until the gelatin is set.
  2. Gelatin Sheets: Submerge the sheets in a tall glass of cold water (the amount of water doesn’t matter). Wait until they soften, then gently squeeze out any excess water.
bloom gelatin

Step 2: Dissolve sweetener, add gelatin

Meanwhile, pour the berry juice into a saucepan and add erythritol. Turn on low heat and stir until the sweetener dissolves completely. Avoid boiling the mixture.

Once the sweetener dissolves, add the bloomed gelatin and stir frequently until it’s completely dissolved. Ensure the berry mixture with gelatin doesn’t boil.

dissolve sweetener, add gelatin

Step 3: Chill jello

Grease the mold with coconut oil, then pour in the jello mixture.

Allow to cool down to room temperature. Then, refrigerate for several hours or until the jello is set. Setting time may vary, but it should be stable within a few hours.

chill jello and slice

Enjoy delicious homemade sugar-free jello!

sugar-free homemade jello-recipe

Tips for the best results

  1. Dissolve gelatin in cold or ice water. 
  2. Avoid letting the gelatin mixture boil, high heat breaks down the gelatin’s gelling power.
  3. Place the form/container in the freezer before adding the berry mixture. This will speed up the gelatin stabilization process.
  4. Cover the form with plastic wrap to prevent the surface from drying out. This helps to maintain the dessert’s moisture and freshness.
sugar-free jello-recipe

More keto gelatin recipes

FAQ

keto homemade jello

Nutritional Information

Try these keto desserts next:

low carb jello-recipe

Sugar-free Jello

Yield: 8
Prep Time: 2 minutes
Cook Time: 8 minutes
Additional Time: 4 hours
Total Time: 4 hours 10 minutes

Homemade Sugar-Free Jello! This 3-ingredient healthy treat is bursting with flavor, low in calories, dairy-free & perfect for summer!

Ingredients

  • 1 1/2 cup (360 ml) Sugar-free, 100% natural Berry Juice (cranberry/lemon/strawberry/blueberry, etc.*)
  • 80-100 g (1/3 cup -1/2 cup) Erythritol, regulate by taste
  • 40 g (4 tbsp.) Gelatin sheets or granulated
  • 150 ml (0.6 cup) Cold Water
  • Coconut oil/butter (optional)

Instructions

1. Bloom the Gelatin:

  • Powdered Gelatin: Place gelatin granules in a bowl and pour in 150 ml (0.6 cup) of cold water. Let it sit for 5-10 minutes until the gelatin is set.
  • Gelatin Sheets: Submerge the sheets in a tall glass of cold water (the amount of water doesn't matter). Wait until they soften, then gently squeeze out any excess water.

2. Meanwhile, pour the berry juice into a saucepan and add erythritol. Turn on low heat and stir until the sweetener dissolves completely. Avoid boiling the mixture.

3. Once the sweetener dissolves, add the bloomed gelatin and stir frequently until it's completely dissolved. Ensure the berry mixture with gelatin doesn't boil.

4. Grease the mold with coconut oil/butter, then pour in the berry mixture. Allow to cool down to room temperature. Then, refrigerate for several hours or until the jello is set. Setting time may vary, but it should be stable within a few hours. Slice it and enjoy healthy and delicious homemade jello!

Notes

Here are some juices with carb content (per cup serving): 

  • Lemon Juice/ Lime Juice: 16 g net carbs
  • Strawberry Juice: 18 g net carbs
  • Blueberry Juice: 23 g net carbs
  • Cranberry Juice: 30 g net carb

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