Coconut Lime Foam
March 29, 2026
Target Yield Approximately 200 ml foam base (enough for ~12–15 drinks)
Ingredients
- Coconut milk (full fat): 140 ml
- Simple syrup (1:1): 20 ml
- Fresh lime juice: 10 ml
- Lime zest: 1 g
- Egg white: 1 large (30 ml)
- Salt: 1 small pinch (~0.3 g)
- Xanthan gum: 0.15 g
Process
1. Combine
Add all ingredients to a blender:
- coconut milk
- simple syrup
- lime juice
- lime zest
- egg white
- salt
- xanthan gum
2. Blend
Blend for 10–15 seconds until fully combined.
3. Strain
Strain through a fine mesh strainer to remove zest and solids.
4. Charge
- Pour into iSi whipper
- Charge with 1 N₂O cartridge
- Shake 10–15 times
5. Chill
Refrigerate for 30 minutes before use.
Usage
- Dispense a light foam layer on top of the drink
- Do not stir in initially; drink through the foam
Storage
- Store in iSi in the refrigerator
- Shake before each use
Shelf Life
- Best quality: same day
- Usable: up to 24 hours
- Discard after 24 hours
Notes
- Do not overuse xanthan gum; too much will create a thick or slimy texture
- Ensure mixture is fully strained to avoid clogging
- Foam should be smooth with tight bubbles, not airy or whipped
