Chef John’s Kumquat Marmalade offers a delightful blend of citrus flavors, with a fresh and tangy profile that sets it apart from traditional marmalades. With the right balance of sweetness and zest, this recipe is perfect for those who want to explore a different variety of fruit preserves. Whether you’re spreading it on toast, serving it with cheese, or using it in creative dishes, this marmalade is sure to impress.
Quick Benefits
- Simple Ingredients: Only a handful of ingredients needed, including fresh kumquats, lemon, and a dash of cayenne pepper.
- Low-Calorie: At just 35 calories per serving, it’s a great option for those watching their calorie intake.
- Rich in Vitamin C: Kumquats are a great source of Vitamin C, supporting your immune system.
Essential Ingredients
- Kumquats (2 cups prepared): The star of the recipe, these tiny, sweet-tart citrus fruits bring a refreshing flavor to the marmalade.
- White Sugar (1 cup): Adds the necessary sweetness to balance the tanginess of the kumquats.
- Cold Water (1 cup): Helps create the base syrup for the marmalade.
- Lemon (zest and juice of 1): The zest adds a fragrant citrus note, while the juice enhances the flavor balance.
- Star Anise (1): A subtle, aromatic spice that adds depth to the marmalade; remove it after simmering.
- Cayenne (small pinch): A touch of heat to complement the citrusy tartness of the kumquats.
Preparation Steps
- Prepare the Kumquats: Quarter the kumquats lengthwise, remove the white center membrane, and discard the seeds. Slice the quarters into small pieces.
- Combine Ingredients: In a pot, combine the prepared kumquats, sugar, cold water, lemon zest, lemon juice, star anise, and a pinch of cayenne. Stir to combine.
- Macarate the Fruit: Cover the pot and let the mixture sit at room temperature for 2-3 hours, or refrigerate it overnight to allow the flavors to develop.
- Cook the Marmalade: Place the pot over medium-high heat and bring the mixture to a simmer. Reduce heat to medium and cook for 30-40 minutes, stirring occasionally, until the marmalade thickens and reaches a temperature of 215-220°F (100-105°C).
- Jar the Marmalade: Remove from heat and let it cool slightly before spooning the marmalade into sterilized jars. Let it cool to room temperature, then refrigerate until chilled.

Health Benefits
- Rich in Antioxidants: Kumquats are high in antioxidants, helping to reduce inflammation and protect against oxidative stress.
- Supports Digestive Health: The fiber in kumquats aids digestion, promoting gut health.
- Boosts Immunity: The Vitamin C content in kumquats helps boost your immune system, making this marmalade a delicious way to support your health.
Serving Suggestions
- Spread on Toast: The classic way to enjoy marmalade. Spread it on a warm slice of toast or scone for a delightful breakfast.
- Pair with Cheese: Serve it alongside creamy cheeses like brie or goat cheese for an elegant appetizer.
- Use in Desserts: Incorporate it into cakes, pastries, or as a topping for yogurt or ice cream.
- Glaze for Meats: Use it as a glaze for grilled chicken or pork for a tangy finish.
Creative Variations
- Spicy Kumquat Marmalade: Add more cayenne or a few chili flakes for a spicier kick.
- Minted Kumquat Marmalade: Infuse the marmalade with fresh mint for a refreshing twist.
- Herbed Kumquat Marmalade: Add a few sprigs of rosemary or thyme while simmering for a more herbaceous note.
- Sugar-Free Version: Swap the white sugar for a natural sweetener like stevia or monk fruit for a sugar-free alternative.
Storage Tips
- Refrigeration: After sealing in sterilized jars, keep your kumquat marmalade in the refrigerator. It should last for up to 1 month.
- Freezing: If you want to store it for a longer period, marmalade can be frozen in airtight containers for up to 6 months. Just be sure to leave space in the jar for expansion.
Pro Tips
- Test the Consistency: To ensure the marmalade reaches the perfect set, place a spoonful on a chilled plate and run your finger through it. If it wrinkles and doesn’t run back together, it’s done!
- Sterilize Jars: Always sterilize your jars before filling them with the marmalade to prevent contamination and extend shelf life.
- Use Fresh Kumquats: Fresh kumquats provide the best flavor. Avoid using old or overripe kumquats, as they may alter the taste and texture of the marmalade.
Frequently Asked Questions
Can I use another citrus fruit instead of kumquats? Yes, you can substitute kumquats with other citrus fruits, like oranges or lemons, but the flavor will differ. Kumquats offer a unique sweet-tart balance that’s hard to replicate.
How can I tell if the marmalade has thickened enough? The temperature of the marmalade should reach between 215-220°F (100-105°C), but you can also check the consistency by scraping a spatula across the bottom of the pan. If it briefly shows the bottom before spreading back out, it’s ready.
Can I make kumquat marmalade without sugar? Yes, you can use a sugar substitute or try a reduced sugar version, but keep in mind that sugar is essential for the texture and preservation of marmalade.
How do I store leftover kumquat marmalade? Store your marmalade in an airtight jar in the refrigerator for up to a month. If you’d like to keep it longer, consider freezing it for up to 6 months.
Now that you have all the details, it’s time to start preparing Chef John’s Kumquat Marmalade and enjoy this delightful preserve!
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Chef John’s Kumquat Marmalade Recipe: A Unique Twist on a Classic Preserve
Chef John’s Kumquat Marmalade is a unique twist on the classic preserve, featuring the sweet-tart flavor of kumquats, balanced with a touch of lemon, star anise, and cayenne pepper. This homemade marmalade is perfect for spreading on toast, pairing with cheese, or even glazing meats. With its bright citrus notes and spicy kick, it’s a refreshing addition to your pantry.
- Total Time: 3 hours 30 minutes
Ingredients
- 2 cups prepared kumquats
- 1 cup white sugar
- 1 cup cold water
- zest and juice of 1 lemon
- 1 star anise (I removed it after 10 minutes of simmering)
- small pinch of cayenne
Instructions
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Quarter kumquats lengthwise; cut off the white center membrane and remove seeds.
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Slice quarters into small pieces.
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Place kumquats into a pot. Add sugar, water, lemon zest (white part only), lemon juice, star anise, and a pinch of cayenne; mix together. Cover and let sit at room temperature for 2 or 3 hours to allow fruit to macerate. Or you can refrigerate overnight.
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Place the pot over medium-high heat and bring mixture to a simmer, stirring occasionally. Reduce heat to medium; cook and stir occasionally for 10 minutes. Continuing cooking and stirring often until mixture is thick enough so that if you scrape a spatula across the bottom of the pan, you can briefly see the bottom of the pan before marmalade spreads back out, 30 to 40 minutes. Mixture should reach a temperature of 215 to 220 degrees F (100 to 105 degrees C). Remove from heat and allow to cool slightly, 5 to 10 minutes.
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Spoon warm marmalade into sterilized jars. Cover and let cool to room temperature. Refrigerate until thoroughly chilled.
- Prep Time: 45 minutes
- Cook Time: 45 minutes
- Category: Condiments, Preserves
- Cuisine: American
Nutrition
- Serving Size: 32
- Calories: 35 per serving