What Is Key Lime?
A small, highly aromatic citrus fruit known for its distinctive tart, floral, and intensely acidic juice, often used in pies and cocktails.
"The irreplaceable ingredient for iconic tropical desserts and refreshing beverages, delivering a sharp, floral tang."
What Does Key Lime Taste Like?
Intensely tart, aromatic, floral, slightly bitter
- Taste
- Intensely Tart, Floral, Slightly Bitter
- Texture
- Juicy pulp, thin skin
- Aroma
- Pungent Citrus, Floral
- Acidity
- High
Technical Metrics
Average Juice Yield (per lime)
1-2 tablespoons
pH Level
2.0-2.3 (highly acidic)
Shelf Life (refrigerated)
2-3 weeks
Nutrition Facts
Per 67g (1 medium lime)Chef’s Secret
To extract maximum juice from Key Limes, microwave them for 10-15 seconds and then roll firmly on a countertop before slicing and juicing.
Key Lime Substitutes & Ratios
The best substitute for Key Lime is Persian Lime, used at a 1:1 (adjust for less floral notes) ratio. Most common substitute, less aromatic and slightly less tart.
| Substitute | Ratio | Best for |
|---|---|---|
| Persian Lime Best | 1:1 (adjust for less floral notes) | Most common substitute, less aromatic and slightly less tart. |
| Lemon Juice + Lime Zest | 1:1 (juice), Pinch of zest | Provides acidity and some citrus aroma, lemon is less floral. |
| Bottled Key Lime Juice | 1:1 | Convenient, but often pasteurized and lacks fresh vibrancy. |
| Lime Essential Oil (food grade) | Few drops | For intensifying lime flavor in baking or confections, not for acidity. |
How to Choose & Store Key Lime
- Choose small, heavy limes.
- Green indicates less ripe, yellow is ripe and juicier.
- Avoid soft spots or dry patches.
What Pairs Well With Key Lime?
- Coconut
- avocado
- tequila
- cilantro
- fish
- chicken
- tropical fruits.
Frequently Asked Questions
What does Key Lime taste like?
Intensely tart, aromatic, floral, slightly bitter Pungent Citrus, Floral
What is a good substitute for Key Lime?
The best substitute is Persian Lime (1:1 (adjust for less floral notes)). Most common substitute, less aromatic and slightly less tart.
How do you choose and store Key Lime?
Choose small, heavy limes. Green indicates less ripe, yellow is ripe and juicier. Avoid soft spots or dry patches.