Fresh watermelon pieces blended with ice and sugar until a thick, heavy mixture forms, poured into two tall glasses.
A smoothie with three ingredients and no more, and the watermelon carries its own water so no liquid needs adding.
The ice here is not only for chilling but for body: it is what turns thin juice into a heavy mixture you drink through a wide straw.
Add all the ingredients to the blender jug: the watermelon, the ice, and the sugar.
Blend until a thick, heavy mixture forms that does not run like juice, then pour it into two tall clear glasses and serve immediately.
The glycemic index (GI) measures how quickly a food raises blood sugar, while the glycemic load (GL) measures how much a full serving raises it. Together they give the complete picture.
A low value (≤55) means a gradual rise in blood sugar — the most suitable range for diabetes and insulin resistance.
Glycemic load reflects the impact of the full serving. To lower it: take half a serving, or pair the recipe with a source of protein and fiber.
* Percent Daily Values are based on a 2,000-calorie diet per FDA food-label reference values — your daily needs may be higher or lower. Values are derived from the recipe's ingredients via the USDA database.
The most common problems when preparing Watermelon Smoothie, and how to fix them:
There is too little ice or it melted before blending. Use solid cubes from the freezer and blend them with the watermelon straight away.
The watermelon is underripe or there is too much ice. Choose ripe red watermelon, and add a spoon of sugar or a squeeze of lemon.
That is normal in a drink with no stabilizer. Stir it before drinking or serve it right after blending.
Its blades are not made for ice. Crush the cubes first, or use frozen watermelon instead.
Immediately after blending; it is a drink of its moment.
Not kept: it separates and loses its body within half an hour.
Cut the watermelon and freeze it, then blend at serving with no ice.
Re-blending after it separates, since the texture does not come back.
| Original Ingredient | Tested Substitute | Ratio | Flavor Difference |
|---|---|---|---|
| Sugar | Honey | 8 g | A more fragrant sweetness, added after blending to preserve its flavor. |
| Ice | Frozen watermelon | 114 g | A thicker body and stronger flavor with no dilution. |
| Watermelon | Cantaloupe | 114 g | A gentler, slightly sweeter flavor, with the same texture. |
| Sugar | No sugar | zero | Ripe watermelon is sweet on its own, and leaving it out drops the calories to their lowest. |
| Servings | Watermelon | Ice | Sugar |
|---|---|---|---|
| 1 serving (half amount) | 57 g | 5 cubes | 4 g |
| 2 servings (base) | 114 g | 10 cubes | 8 g |
| 4 servings (double) | 228 g | 20 cubes | 16 g |
Use watermelon chilled from the refrigerator and cut the ice back slightly for a stronger flavor, since a lot of ice thins the taste even as it thickens the body. And serve it at once, because it separates within minutes.
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