Step-by-Step Instructions
Prepare Your Molds and Workspace
Lightly grease silicone molds, a small baking tray lined with parchment paper, or candy molds with a touch of neutral oil or cooking spray. Sprinkle a light layer of the cornstarch-sugar mixture (prepared later) to prevent sticking. Clear space in your refrigerator. This preparation ensures clean release and professional-looking candies.
Bloom the Gelatin
In a medium saucepan, combine the 240 ml blue raspberry juice, 100 g sugar, and 30 g unflavored gelatin. Stir gently and let it sit for 5–7 minutes. This “blooming” process allows the gelatin to fully hydrate, resulting in smoother texture and better chew. Skipping this step is one of the top reasons homemade sour gummies turn out rubbery.
Heat the Mixture Gently
Place the saucepan over low-medium heat. Stir continuously until the gelatin and sugar completely dissolve and the mixture becomes smooth and glossy. Do not allow it to boil—boiling can destroy the gelatin’s setting power and create a tough final product. This should take about 5–7 minutes. Remove from heat as soon as everything is dissolved.
Add Flavor, Color, and Corn Syrup
Stir in the 60 ml corn syrup, a few drops of blue food coloring, and 1–2 teaspoons of the citric acid (reserve most for the sour coating). Mix thoroughly until the color is uniform and vibrant. The corn syrup keeps the centers slightly softer, mimicking that classic “gusher” sensation when you bite through the sour-coated exterior.
Pour and Set
Carefully pour the mixture into your prepared molds or onto the lined tray (aim for ¼ to ½ inch thickness if using a tray). Tap the molds gently on the counter to remove air bubbles. Refrigerate for 30–45 minutes until the candies are set but still slightly soft in the center. They should feel firm enough to handle but retain a pleasant chew.
Create the Signature Sour Coating
While the candies set, mix the remaining citric acid (about 3–4 teaspoons), 30 g cornstarch, and 50 g additional sugar in a shallow bowl. This creates the tangy, slightly crunchy exterior that makes homemade sour blue raspberry gushers addictive. Once set, remove the candies from molds, cut into small squares or shapes if needed, and toss them generously in the sour sugar mixture until fully coated.
Final Touch and Enjoy
Let the coated candies air-dry for 10–15 minutes on a wire rack. This helps the coating adhere better. Serve immediately or store using the tips below.
Pro Tip: Wear gloves when tossing in citric acid if you have sensitive skin—the sour powder is potent!
Healthier Alternatives for the Recipe
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