Watermelon Tanghulu
Watermelon Tanghulu is a easy American recipe that serves 8. 85 calories per serving. Recipe by Tasty on YouTube.
Prep: 17 min | Cook: 15 min | Total: 42 min
Cost: $10.50 total, $1.31 per serving
Ingredients
- 2 whole Watermelon (One yellow watermelon for color contrast, one red; cut into 1‑inch thick tongue‑shaped slices)
- 2 cups Granulated Sugar (Use pure cane sugar; avoid brown sugar for a clear coating)
- 0.5 cup Water (Room‑temperature water for the syrup)
Instructions
Prepare Watermelon
Wash the watermelons, cut them in half, then slice each half into 1‑inch thick, tongue‑shaped pieces; set aside on a parchment‑lined tray.
Time: PT10M
Set Up Ice Bath
Fill a large bowl with ice and cold water; place a second bowl or tray nearby for the coated fruit to rest after dunking.
Time: PT5M
Make Hard‑Crack Sugar Syrup
Combine the sugar and water in the saucepan over medium‑high heat. Stir until the sugar dissolves, then stop stirring and attach the candy thermometer. Heat until the temperature reaches 300°F (hard‑crack stage).
Time: PT10M
Temperature: 300°F
Coat Watermelon Slices
Using tongs, dip each watermelon slice into the hot sugar syrup, allowing excess to drip off, then immediately transfer the slice into the ice bath to set the coating.
Time: PT5M
Cool and Dry
Remove the coated slices from the ice bath, place them on the parchment‑lined tray or cooling rack, and let them air‑dry for 5‑10 minutes until the sugar shell is firm.
Time: PT5M
Nutrition Facts
- Calories
- 85
- Protein
- 0.5 g
- Carbohydrates
- 22 g
- Fat
- 0 g
- Fiber
- 0.5 g
Dietary info: Vegetarian, Vegan (if using bone‑char‑free sugar)
Allergens: None
Ingredient Substitutions
- Instead of Watermelon: Honeydew melon, cantaloupe
- Instead of Granulated Sugar: Turbinado sugar, organic cane sugar
- Instead of Water: Filtered water
Equipment Needed
- Saucepan
- Candy Thermometer
- Ice Bath Bowl
- Tongs
- Cutting Board
- Sharp Knife
- Parchment Paper
- Cooling Rack
Critical Steps — Do Not Skip
- Heat sugar syrup to exactly 300°F (hard‑crack stage)
- Dip watermelon quickly and transfer to ice bath before the syrup hardens
- Allow the coating to fully set before handling
Chef Tips from the Video
- Use a yellow watermelon for a striking visual contrast against the clear sugar shell.
- For extra sparkle, sprinkle a pinch of edible glitter onto the hot coating before the ice bath.
- A silicone mat can replace parchment for easier removal of the finished pieces.
Troubleshooting
Sugar syrup crystallizes and becomes grainy.
Make sure the pan is clean, avoid stirring after the sugar dissolves, and use a candy thermometer to reach 300°F without interruption.
Coating does not harden or stays sticky.
Check that the syrup reached 300°F; if not, continue heating a few more minutes. Also ensure the ice bath is truly cold.
Watermelon releases too much juice, causing the sugar to slide off.
Pat the watermelon slices dry with paper towels before dipping; work quickly to minimize moisture exposure.
Storage
Refrigerator: Store in an airtight container for up to 3 days; the sugar shell may soften slightly in high humidity.
Freezer: Not recommended; the sugar coating can become cloudy and lose crunch.
Room temperature: Keep in a cool, dry place for up to 1 day; ideal for serving immediately.
Make-Ahead Tips
- Coat all slices and let them set; store in a single layer in a sealed container to maintain crunch.
- If coating becomes sticky after a day, place the slices in a low‑heat oven (150°F) for 5 minutes to re‑crisp.
Frequently Asked Questions
What is the cultural significance and history of candied watermelon in American summer cuisine?
Candied fruit has long been a staple of American fairs and summer picnics, where fresh produce is transformed into portable, shelf‑stable treats. Watermelon, a quintessential summer fruit, is often enjoyed plain, but coating it in a hard sugar shell dates back to early 20th‑century concession stands that offered "fruit candy" as a novelty snack.
What regional variations of fruit candy similar to candied watermelon exist in other cuisines?
In Japan, "Mizuame" is a sweet syrup used to glaze fruits, while in India, "chikki" involves coating nuts or fruit pieces with jaggery. European fairs feature "candied apples" and "sugar‑coated strawberries," all sharing the same hard‑crack sugar technique used in this watermelon recipe.
How is candied watermelon traditionally served in American summer gatherings?
It is typically presented on a platter alongside other bite‑size sweets, often on a decorative tray or a bed of crushed ice. The bright colors make it a popular visual centerpiece at barbecues, beach parties, and Fourth of July celebrations.
What occasions or celebrations is candied watermelon traditionally associated with in the United States?
Candied watermelon is a favorite at outdoor festivals, county fairs, and summer holiday picnics. Its quick‑bite format also makes it a fun addition to birthday parties and family reunions during the warm months.
What makes candied watermelon a unique summer treat in American cuisine?
The contrast of juicy, refreshing watermelon with a crisp, glass‑like sugar shell creates a surprising texture that is both sweet and hydrating. This dual sensation is rare among typical fruit desserts, giving it a special place in summer snack repertoires.
What are the most common mistakes to avoid when making candied watermelon at home?
The biggest errors are under‑cooking the sugar (resulting in a soft, sticky coating) or over‑cooking (causing a bitter, burnt shell). Also, failing to dry the fruit before dipping can make the coating slide off, and not using an ice bath will prevent the shell from setting quickly.
Why does this recipe use a hard‑crack temperature of 300°F instead of a lower temperature?
300°F is the hard‑crack stage where sugar solidifies into a clear, glass‑like shell that snaps when bitten. Lower temperatures produce a softer, chewy coating, while higher temperatures risk caramelization and bitterness.
Can I make candied watermelon ahead of time and how should I store it?
Yes, you can coat all slices and let the shells set fully, then store them in an airtight container at room temperature for up to one day or in the refrigerator for up to three days. Keep them in a single layer to maintain crunch.
What texture and appearance should I look for when the candy coating is done?
The coating should be clear, glossy, and completely hard to the touch—like a thin glass shell. When you tap it gently, it should produce a crisp snap without any stickiness.
What does the YouTube channel Tasty specialize in?
The YouTube channel Tasty specializes in fast‑paced, visually engaging recipe videos that showcase a wide range of cuisines, quick hacks, and trending food ideas, all presented with overhead shots and step‑by‑step captions.
How does the YouTube channel Tasty's approach to fruit‑based summer treats differ from other cooking channels?
Tasty focuses on concise, high‑energy edits that highlight the most eye‑catching moments—like the glossy sugar coating on watermelon—while other channels may provide longer, technique‑heavy explanations. Tasty’s style makes the recipe feel approachable for home cooks seeking quick, impressive results.
Last updated: September 2, 2026
