THIS CAFE LIFE

Pink Grapefruit Marmalade

Name: Mussels Dijonnaise
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Yield: 4 servings
Cuisine: French
Ingredients: 2 lbs fresh mussels, scrubbed and debearded; 2 shallots, finely chopped; 2 tbsp butter; 1/2 cup dry white wine; 1/2 cup heavy cream; 2 tbsp Dijon mustard; 1 tbsp chopped fresh parsley; Salt and pepper to taste; Crusty bread, for serving

A bright, bittersweet marmalade that captures winter citrus at its most fragrant — floral pink grapefruit softened with just enough sugar to let the peel shine. This is a preserve for buttered toast, sharp cheeses, and spoonfuls stolen straight from the jar.

Prep Time:

Cook Time:

1 - 2 Hours

Yield:

5 - 6 Half-Pint Jars

Ingredients

3 Large Pink Grapefruit

1 Lemon

4 C. Water

4 C. Granulated Sugar

Tools We Use for Winter Citrus Preserving

Preserving citrus isn’t complicated — but it does require the right tools. These are the workhorses that make marmalade, curd, and candied peel consistent, safe, and repeatable.

Paring Knife (Henckles)

A sharp, balanced paring knife is essential for small, uniform peels and pith removal. This Henckles is a solid selection.

Maslin Pan (or wide preserving pan)

A wide, heavy pan gives citrus peels room to move and allows moisture to evaporate evenly. This is what keeps marmalade bright instead of boiled and flat. The surface area matters more than depth — it’s the difference between clean citrus flavor and dull sweetness.

Digital or Candy Thermometer

Citrus preserves need precision. Marmalade sets when it hits gel point, and curd thickens only within a narrow temperature range. A thermometer removes guesswork and protects you from under- or over-cooking.

pH Strips (or pH meter)

Citrus is naturally acidic, but when you start blending fruits or reducing sugar, it helps to confirm you’re in the safe zone. These are especially useful when experimenting with grapefruit or low-sugar curds.

Glass Canning Jars & Lids

Jars aren’t just storage — they’re part of the process. They allow you to seal heat-treated preserves and lock in both flavor and safety. Wide-mouth jars make marmalade and peel easier to fill and serve.

Wide-Mouth Funnel & Ladle

Small tools that prevent waste and mess. When you’re working with hot, sticky preserves, control matters.

Jar Lifter

Safety first. Lifting hot jars out of boiling water without tipping or slipping protects both you and the seal.

Fine-Mesh Strainer

For curds and syrups, this ensures silk-smooth texture by removing zest, pulp, or egg solids. These are the same tools I reach for whether I’m making one jar for the fridge or a full batch for gifting — simple, reliable, and designed for real kitchen work.

SHOP ALL WINTER CITRUS PRESERVING ESSENTIALS

Step 1 - Prepare the Fruit

Wash the grapefruit and lemon well. Using a sharp knife, slice off the ends and cut the fruit in half. Remove any seeds and reserve them in a small piece of cheesecloth (they contain natural pectin).

Slice the fruit — peel, pith, and flesh — into thin strips. The thinner the cut, the more delicate the final marmalade.

Step 2 — Soak

Place the sliced citrus and any collected juices into a large, non-reactive pot. Add the water and the cheesecloth bundle of seeds. Cover and let sit at room temperature for 8–12 hours (or overnight). This draws out flavor and softens the peel.

Step 3 — Cook the Fruit

Bring the mixture to a boil, then reduce to a steady simmer. Cook uncovered for about 45–60 minutes, until the peel is tender and the liquid has reduced slightly.

Step 4 — Add Sugar & Set

Remove the seed bundle. Add the sugar and stir until dissolved. Increase heat and bring to a rolling boil. Skim any foam that does not dissipate when stirred. Cook until the marmalade reaches 220°F or passes the wrinkle test (a drop on a cold plate wrinkles when pushed).

Step 5 — Jar

Remove from heat and let sit 5 minutes. Ladle into warm sterilized jars, wipe jar rim, seal, and cool. Refrigerate for immediate use or process in a water bath for shelf storage.

Can’t Find Peak Citrus?

You don’t need to live in California or wander a winter farmers market to taste citrus at its best. When local fruit feels tired and out of season, peak-harvest citrus can be shipped directly from the grove to your kitchen — vibrant, fragrant, and ready for marmalade, preserved lemons, or winter cakes.

If you have a home preserver in your life — someone who spends January zesting oranges or lining shelves with jars — a curated citrus delivery makes a thoughtful, unexpected gift. Fresh blood oranges, Meyer lemons, and ruby grapefruit arrive at their prime, ready to become marmalade, syrups, cordials, and winter desserts.

It’s a simple way to bring sunlight into the kitchen — even on the coldest New England morning.

→ Send Fresh Winter Citrus

Explore the Craft Behind the Jar

If winter citrus pulled you into preserving, the deeper story lives here:

Preserving Our Culinary Heritage: Jams, Jellies & Food Preservation →

A foundational guide to the traditions, tools, and science behind what makes jams set, marmalades shine, and jars safely seal — from heirloom fruit to modern technique.

Citrus season is one of the most rewarding moments for the preserving kitchen. Marmalades, syrups, and candied peels transform winter fruit into pantry staples that brighten cooking all year long.

→ Discover more techniques, tools, and seasonal ideas in The Preserver’s Kitchen.

What we Reach For

Few cookbooks manage to feel both timeless and practical, but The Blue Chair Jam Cookbook does just that.

Written by Rachel Saunders, it has become a cornerstone for anyone serious about preserving fruit.

When I first opened its pages, I recognized the same values I try to share here on This Café Life — respect for ingredients, patience in process, and creativity in flavor.

Purchase Cookbook →

Affiliate disclosure: qualifying purchases made through this link support This Café Life, at no additional cost to you — thank you for shopping small and supporting independent creators.