Mary Berry Piccalilli Recipe: British Mustard-Pickled Vegetable Relish

This British relish brings bold, tangy flavor to any meal with its mustard-spiked vegetable blend. A classic condiment that transforms simple dishes into something special.

Perfect for pairing with cheeses, cold cuts, or sandwiches, this creation balances sweetness and heat in every bite. The secret lies in the precise spice combination.

Ingredients for Mary Berry Piccalilli

Bright vegetables and bold spices create this tangy, mustard-infused classic British condiment.

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The vegetables are the foundation here. Farmers markets often have the best cauliflower and underripe tomatoes in late summer. For onions, yellow or white work best—avoid red as they can bleed color. The cucumber should be firm and seedless if possible. Trader Joe’s carries quality white wine vinegar that’s perfect for pickling without overpowering the other flavors.

No green tomatoes? Zucchini or bell peppers can stand in, though the texture will differ slightly. Mustard seeds are essential—Penzeys offers excellent yellow and brown varieties. If you’re out of ground ginger, fresh grated at double the amount works, but the flavor profile will be brighter. Turmeric can be swapped for curry powder, though the color may shift.

This keeps beautifully in sterilized jars. Store in a cool, dark place for up to 6 months unopened, or 1 month once opened in the fridge. The flavors meld and improve with time—best to wait at least 2 weeks before serving.

Step-by-Step Instructions for British Mustard-Pickled Vegetable Relish

This method ensures crisp, vibrant vegetables with the perfect balance of tangy and spiced flavors.

Step 1: Prepare and Salt the Vegetables

Cut the 1 whole Cauliflower into small florets, discarding the thick core. Thinly slice the 2 whole Onions, dice the 1 whole Cucumber (seeds removed), and chop the 2 whole Green Tomatoes into uniform pieces.

Combine all prepared vegetables in a large bowl. Sprinkle with the 1 tbsp Salt and toss gently to coat evenly. Let stand for 2 hours—this draws out excess moisture so your pickle stays crisp. You’ll notice the vegetables soften slightly and release liquid into the bowl.

Step 2: Drain and Rinse the Vegetables

After 2 hours, transfer the vegetables to a colander and rinse thoroughly under cold water to remove excess salt. Drain well, then gently pat dry with clean kitchen towels. This step is crucial to avoid a harsh, overly salty finished product.

Divide the drained vegetables evenly among sterilized jars. I use wide-mouth pint jars for easy packing and serving. Press down lightly to eliminate air pockets but don’t crush the vegetables—they should maintain their shape and texture.

Step 3: Prepare the Pickling Liquid

In a medium saucepan, combine the 2 cups White Wine Vinegar, 0.75 cup Granulated Sugar, 2 tbsp Mustard Seeds, 2 tsp Ground Turmeric, and 1 tsp Ground Ginger. Bring to a boil over medium-high heat, stirring until the sugar fully dissolves.

Reduce heat to medium-low and simmer for 5 minutes to allow the spices to infuse the liquid. The mixture will turn a vibrant golden-yellow from the turmeric. You’ll know it’s ready when the aroma is fragrant and the liquid is slightly syrupy.

Step 4: Pour and Seal the Jars

Carefully ladle the hot pickling liquid over the vegetables in the jars, ensuring all pieces are fully submerged. Use a chopstick or slim utensil to release any trapped air bubbles. The liquid should cover the vegetables by at least ½ inch.

Seal the jars with lids while the contents are still hot. As the jars cool, you’ll hear the satisfying pop of the lids sealing—this indicates a proper vacuum has formed. Allow the jars to cool to room temperature before storing.

Step 5: Store and Mature the Flavor

Store the sealed jars in a cool, dark place for at least 2 weeks before opening. This resting period allows the flavors to meld and develop their characteristic tangy, spiced depth. The vegetables will turn a beautiful golden hue from the turmeric.

Once opened, refrigerate and consume within 1 month for peak freshness. The relish pairs wonderfully with cheeses, cold cuts, or as a zesty accompaniment to grilled meats.

Wine and Beer Pairings for These Flavors

Crisp White Wines

A dry Sauvignon Blanc from New Zealand cuts through the tang with its bright acidity and citrus notes. I love how the grapefruit undertones complement the mustard in this relish. Serve chilled at 45-50°F for the perfect contrast. 🍷

British Ales

Pair with a traditional English Pale Ale like Fuller’s London Pride. The malt sweetness balances the pickle’s sharpness while the hop bitterness cleanses your palate. I always keep a few bottles on hand for this exact pairing.

Sparkling Options

For celebrations, try Prosecco or Cava—the effervescence lifts the relish’s bold flavors. The bubbles also help reset your palate between bites of rich cheeses or meats this condiment often accompanies.

Rich Red Wines

Surprisingly, a light Beaujolais works wonderfully. The red fruit notes and low tannins won’t overpower the mustard and vinegar. I was skeptical at first, but this pairing changed my mind completely.

Non-Alcoholic Pairings

Sparkling elderflower cordial with soda water offers a floral contrast. Or serve with ginger beer—the spice echoes the ginger in the recipe while the sweetness balances the acidity. 💛

Frequently Asked Questions