NST kitchen · snack

Watermelon–lime cooler

Name: Watermelon–lime cooler
Prep time: 8 min
Total time: 8 min
Yield: 2 servings
Ingredients: 300g Fresh watermelon flesh (rind and hard black seeds removed); 15ml Lime juice (freshly squeezed); 50ml Chilled drinking water; 1g Fresh mint leaves (tough stalks removed)

Watermelon, lime and mint: light and refreshing rather than milkshake-thick.

vegan

Prep (est.): 8 min
Cook (est.): 0 min
Total (est.): 8 min
Base servings: 2

Jump to recipe

Serving illustration, not a photograph.Ingredient props are visual cues, not measured quantities. Actual appearance may vary.Original NST visual

Serving changes and checklists need this page's JavaScript to finish loading. Until then, use the amounts shown below. You can still read the full recipe or print from your browser's menu.

Get everything ready

Ingredients

ServingsOriginal recipe: 2

One fixed batch makes 2 servings. Keep the listed quantities, pan and method unchanged. For more, repeat the full batch; for fewer, follow the recipe's storage guidance for unused portions.

Ingredients for 2 servings.

Your portions are saved in the page address. Bookmark it to return to these amounts. Ingredient and step ticks last for this visit unless you choose to remember them above.

300g Fresh watermelon flesh (rind and hard black seeds removed)
15ml Lime juice (freshly squeezed)
50ml Chilled drinking water
1g Fresh mint leaves (tough stalks removed)

Copies every ingredient for the selected portions, including anything you have ticked. Includes a clean link to this recipe and these portions, with the full cooking and storage guidance. No account needed.

View ingredients to copy manually

Ingredients for this recipe and your selected portions

North Star Theory | Recipe ingredients

Watermelon–lime cooler — 2 servings

Every ingredient for these portions, including anything ticked on the page. Check what you already have.

Not yet kitchen-tested.

One fixed batch makes 2 servings. Keep the listed quantities, pan and method unchanged. For more, repeat the full batch; for fewer, follow the recipe's storage guidance for unused portions.

[ ] 300g Fresh watermelon flesh (rind and hard black seeds removed)
[ ] 15ml Lime juice (freshly squeezed)
[ ] 50ml Chilled drinking water
[ ] 1g Fresh mint leaves (tough stalks removed)

Ingredient notes:
• Fruit quantities are edible weights after trimming. Wash fruit before cutting; use clean hands and equipment. These drafts use fresh fruit, not frozen fruit requiring pack-specific preparation.
• Use chilled pasteurised dairy where included and check exact labels. Follow the blender's fill limits and stop it before scraping. One teaspoon means 5 ml.
• Makes two small servings, not a complete meal. Divide the batch equally; finished volume and preparation times are unmeasured estimates. No additional ice, garnish or sweetener is included.

Allergens and label checks:
• None of the 14 regulated allergens is intentionally included. This is not an allergen-free guarantee; check ingredients and cross-contact.

Full recipe for these portions, including the method and storage guidance:
https://www.northstartheory.com/nutrition/recipes/watermelon-lime-cooler?servings=2

Check every ingredient and may-contain label, including swaps. Dietary labels do not establish allergy safety. This is a shopping list, not cooking instructions; use the full recipe for its method and storage guidance.

You will need

Blender suitable for fresh fruit
Scales, measuring jug and metric measuring spoons
Knife, board and two small glasses

Let's make it

The method

Back to ingredients

0 of 3 steps marked

Keep your place for this page visit. Ticks do not confirm doneness or food safety; follow every cooking and storage instruction.

Step 1. Prepare
Wash the melon exterior before cutting; weigh 300 g of prepared flesh. Wash the mint leaves.
Mark step 1 complete
Step 2. Blend
Blend the water, lime juice, melon and mint until the melon is broken down; small mint flecks may remain.
Mark step 2 complete
Step 3. Serve
Divide equally between two small glasses and serve promptly.
Mark step 3 complete

Make it work for you

Swaps & variations

Omit the mint for a simpler watermelon-and-lime version, keeping the water. Do not add milk to preserve this light style.

Recipe notes & sources

Sources support the points stated below; they are not evidence that NST has cooked or tested this recipe.

FSA: home food fact checker
Washing fruit and rejecting mouldy fruit; not validation of these original recipes.
Checked 2026-10-20
FSA: chilling food
0–5°C refrigeration and following ingredient labels. Same-day use here is a conservative editorial limit, not a tested smoothie shelf life.
Checked 2026-10-20
FSA: allergen labelling
Checking packaged ingredients and cross-contact warnings; no allergy-safe claim.
Checked 2026-10-20

What to cook next

Watermelon–lime cooler

Ingredients

You will need

The method

Step 1. Prepare

Step 2. Blend

Step 3. Serve

Swaps & variations

Recipe notes & sources

More from the kitchen

Pineapple–ginger

Coconut peanut chickpea noodles

Lentil and chickpea curry with rice