What Is Key Lime Juice?
The juice extracted from small, aromatic key limes, known for its intense tartness and distinct floral zest.
"The quintessential tart brightener for desserts and drinks."
What Does Key Lime Juice Taste Like?
Sour, Tart, Aromatic, Zesty
- Taste
- Intensely Tart, Aromatic
- Texture
- Liquid
- Aroma
- Zesty, Floral
- Acidity
- Very High
Technical Metrics
Origin
Florida Keys (historically)
Primary Use
Key Lime Pie
Typical pH Level
~2.0-2.3 (highly acidic)
Nutrition Facts
Per 15 mL (1 tbsp)Chef’s Secret
For maximum juice yield, warm key limes briefly in the microwave (10-15 seconds) and roll them firmly on a counter before cutting and squeezing.
Key Lime Juice Substitutes & Ratios
The best substitute for Key Lime Juice is Lime Juice (Persian), used at a 1:1 ratio. Most common substitute, slightly less aromatic but widely available.
| Substitute | Ratio | Best for |
|---|---|---|
| Lime Juice (Persian) Best | 1:1 | Most common substitute, slightly less aromatic but widely available. |
| Lemon Juice | 1:1 | More tart, less floral than key lime, but provides similar acidity. |
| Bottled Key Lime Juice | 1:1 | Convenient, but fresh juice has superior flavor and aroma. |
| Citric Acid Solution | 1:10 (acid to water) | For pure acidity, lacks the floral notes and complexity of fresh juice. |
How to Choose & Store Key Lime Juice
- Fresh key limes are best.
- Look for small, firm, slightly yellowish-green limes.
- Bottled juice should be 100% juice without added sugars.
What Pairs Well With Key Lime Juice?
- Coconut
- seafood
- avocado
- cilantro
- tequila
- ginger
- mint
- mango.
Frequently Asked Questions
What does Key Lime Juice taste like?
Sour, Tart, Aromatic, Zesty Zesty, Floral
What is a good substitute for Key Lime Juice?
The best substitute is Lime Juice (Persian) (1:1). Most common substitute, slightly less aromatic but widely available.
How do you choose and store Key Lime Juice?
Fresh key limes are best. Look for small, firm, slightly yellowish-green limes. Bottled juice should be 100% juice without added sugars.