Tub tim grob (Thai ruby dessert)
Red-dyed water chestnuts coated in tapioca starch and cooked until translucent. Serve with syrup, coconut milk and crushed ice.
This Thai dessert pairs crunchy water chestnuts with a soft, chewy tapioca coating. Hands-on preparation is estimated at about 15 minutes, cooking at about 6 minutes, with 10 minutes of resting time for coloring.
Ingredient allergens
Allergen listThere are no verified associations for these ingredients yet.
Method
- 01
Color the chestnuts
Mix the hibiscus syrup with the water for coloring. Add the water chestnuts and leave them to soak for 10 minutes.
Ready to continue when: The chestnuts are evenly red.
10 min - 02
Make the syrup
Bring the water for the syrup and the sugar to a boil, stirring until the sugar dissolves. Lower the heat and simmer gently for 5 minutes, then let the syrup cool.
Ready to continue when: The sugar has dissolved and the syrup has reduced slightly.
5 min - 03
Coat the chestnuts
Bring the cooking water and pandan leaves to a boil. Drain the colored chestnuts, toss them with the tapioca starch until coated, and shake off the excess.
Ready to continue when: Each cube has a coating of starch and the pieces are not sticking together.
- 04
Cook the rubies
Add the coated chestnuts to the boiling water. Cook until they float and the coating turns translucent; drain and let them cool.
Ready to continue when: The pieces float and their coating looks translucent.
1 min - 05
Serve
Divide the chestnuts among serving bowls. Add coconut milk and syrup, then finish with crushed ice.
Ready to continue when: Each bowl contains the chestnuts, syrup, coconut milk and ice.
Ingredients
Sources and review
Content researched, cross-checked and automatically validated. Sources consulted:
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- Tub tim grob (Tailandia) - Recetas deliciosas www.gzrecipes.com/es/viaggiandomangiando/tub-tim-grob-tailandia/
- Red Rubies (Tub Tim Grob), Thailand Special Desserts Recipe - Sub-Zero Wolf Southeast Asia subzerowolf-sea.com/gourmet-chronicles-2/
- Thai Red Ruby Dessert Recipe | Tub Tim Grob | ทับทิมกรอบ - Lion Brand lionbrand.com.au/blog/thai-red-ruby-dessert-recipe-tub-tim-grob-e0b897e0b8b1e0b89ae0b897e0b8…
- - YouTube www.youtube.com/watch?v=4ZntBnCSn3A
- Authentic Tub Tim Grob Recipe | Thai Ingredients, Steps and Tips www.theworldonaplate.co.uk/recipes/tub-tim-grob
- Red Rubies Dessert (Tub Tim Grob) ทับทิมกรอบ - Hot Thai Kitchen hot-thai-kitchen.com/tub-tim-grob/
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State: Published after documentary validation; no “Tested” label is shown.