Frog Balls Pickled Brussels Sprouts

Begin by blanching fresh Brussels sprouts briefly until tender yet firm, then drain and cool. Prepare a vibrant brine by gently boiling vinegar, water, salt, sugar, smashed garlic, mustard seeds, red pepper flakes, peppercorns, and celery seeds until dissolved. Pack the sprouts tightly in a clean jar, optionally adding sliced chili for extra heat. Pour the hot spiced brine over the sprouts ensuring complete coverage. Seal the jar after cooling and let rest refrigerated for 24–48 hours or longer to develop deeper, tangy flavors. Variations include intensifying garlic, boosting the spice, sweetening the mix, or infusing with herbs like dill or bay leaves.

These tangy pickled Brussels sprouts, affectionately known as Frog Balls, bring a wonderful crunch and a burst of flavor to any snack or meal. They are perfect for adding brightness and a bit of heat to your plate while being surprisingly easy to prepare at home.

Why You Will Love This Recipe

  • Uses simple fresh ingredients that you probably already have in your kitchen
  • Takes less than half an hour to prepare with plenty of hands-off pickling time
  • Balanced flavors with garlic, mustard seeds, and a mild spicy kick from red pepper flakes
  • I first made these pickled Brussels sprouts when I wanted a tangy side for grilled meats, and now they have become a frequent favorite at gatherings because of their bold and addictive flavor

Ingredients

  • Fresh Brussels sprouts: one pound trimmed and small to medium size for best texture and even pickling
  • White vinegar: two cups provides the acidic base that preserves and flavors the sprouts
  • Water: one cup helps to mellow the vinegar for balanced tartness
  • Salt: two tablespoons crucial for drawing out moisture and enhancing flavor
  • Sugar: two tablespoons adds a touch of sweetness to balance the acidity
  • Garlic: three cloves smashed infuses the brine with savory depth
  • Mustard seeds: one tablespoon add a subtle, warm pungency
  • Red pepper flakes: one teaspoon offers gentle heat, adjust to taste
  • Whole black peppercorns: half a teaspoon for a mild peppery bite
  • Celery seeds: half a teaspoon contribute an earthy, herbal note
  • Fresh chili: one small sliced optional for extra heat and brightness

Step-by-Step Instructions

Sauté the Aromatics:No actual sautéing here but prepare to build the brine flavors carefully by combining white vinegar, water, salt, sugar, smashed garlic, mustard seeds, red pepper flakes, whole black peppercorns, and celery seeds in a saucepanBlanch the Brussels Sprouts:Bring a pot of salted water to a boil. Add trimmed Brussels sprouts and blanche for 3 to 4 minutes just until slightly tender but still firm then drain and allow them to cool to stop cooking and preserve crunchCombine and Boil the Brine:Bring the brine mixture to a gentle boil stirring occasionally until the salt and sugar dissolve completely and the flavors start to mingle. This step is important for extracting maximum flavor from the spicesPack the Jar:Place the blanched Brussels sprouts tightly into a clean glass jar. Add sliced fresh chili if you prefer more heat to layer into the final productAdd Hot Brine:Carefully pour the hot brine over the Brussels sprouts covering them completely ensuring no air pockets are left and the sprouts are fully submerged for even picklingSeal and Chill:Allow the jar to cool to room temperature. Once cool, seal tightly with the lid and refrigerate for a minimum of 24 to 48 hours before serving to allow the flavors to develop. Longer pickling yields a richer taste

A jar of pickled green vegetables.
A jar of pickled green vegetables. | gracefulflavors.com

You Must Know

  • Preserving this way keeps Brussels sprouts crunchy and flavorful for weeks
  • Pickles are high in probiotics and great digestive aid when naturally fermented or with vinegar but note that vinegar pickling does not ferment
  • These are perfect on charcuterie boards or added to sandwiches and salads for a tangy crunch
  • My favorite ingredient in this recipe is definitely the mustard seeds. They add a subtle warmth and complexity that lifts the whole flavor experience. I often think back to making a batch with my family where we all eagerly awaited opening the jar after a few days and the house smelled like a zesty kitchen garden

Storage Tips

Keep the pickled Brussels sprouts refrigerated when sealed and consume within two to three weeks for the best texture and flavor. Always ensure the sprouts remain submerged in the brine to prevent spoilage. If you want to store for longer, transferring the pickles to smaller sterile jars once opened can help maintain freshness

Ingredient Substitutions

Apple cider vinegar can be used instead of white vinegar for a fruitier note. If mustard seeds are not available, a mild dry mustard powder can be added but grind it fresh for best flavor. Use honey or maple syrup if you prefer a natural sweetener instead of sugar. Adjust amount to taste since these are sweeter

Serving Suggestions

Serve pickled Brussels sprouts chilled alongside charcuterie or cheese platters for a sophisticated tang. Toss them in grain salads or use as a topping on burgers and tacos to add a surprising crunch and zest. Mix some finely chopped pickled sprouts into egg salads or sandwiches for extra flavor dimension

A jar of pickled vegetables with a spoon in it.
A jar of pickled vegetables with a spoon in it. | gracefulflavors.com

Pro Tips

  • Always use clean glass jars with tight lids to ensure your pickles stay fresh and safe
  • Do not skip blanching Brussels sprouts as it softens them just enough to absorb the brine without becoming mushy
  • I learned the hard way that toasting the mustard seeds before adding intensifies their flavor but it is optional depending on the taste you want

Frequently Asked Questions

→ How do I ensure the Brussels sprouts stay crunchy after pickling?

Blanching the sprouts briefly before pickling helps retain their texture. Avoid overcooking by boiling for only 3-4 minutes, then cooling them quickly. Keeping the sprouts submerged in the brine also preserves their crunch.→ Can I adjust the spiciness of the pickled sprouts?

Yes, adding sliced fresh chili or increasing red pepper flakes intensifies heat. For milder flavor, omit or reduce these ingredients to suit your palate.→ What is the best way to store pickled Brussels sprouts?

Store the sealed jar in the refrigerator. Using a clean glass jar with a tight lid ensures freshness and prevents contamination while the sprouts develop flavor.→ How long should I wait before tasting the pickled sprouts?

Allow at least 24-48 hours for initial flavor development, though a full week refrigerated will deepen the tanginess and complexity.→ Can I add herbs or other flavors to the pickling brine?

Absolutely. Adding fresh dill, bay leaves, or more garlic can change the flavor profile, creating variations from classic tangy to herbaceous and savory.→ Is it necessary to use mustard seeds and celery seeds in the brine?

These seeds add distinctive warmth and aromatic notes, enriching the overall flavor. However, if unavailable, you can omit them or substitute with similar spices like coriander or fennel seeds.

Pickled Brussels Sprouts Flavor

Bright, tangy Brussels sprouts blanched and soaked in a spiced vinegar brine for bold, savory flavor and satisfying crunch.

Prep Time

15 Minutes

Cook Time

10 Minutes

Total Time

25 Minutes

By: Barbara

Category: Tasty Snacks

Difficulty: Easy

Cuisine: American

Yield: 6 Servings (One large jar of pickled Brussels sprouts)

Dietary: Low-Carb, Vegan, Vegetarian, Gluten-Free, Dairy-Free

Ingredients

→ Vegetables

 1 pound fresh Brussels sprouts, trimmed

→ Pickling Brine

 2 cups white vinegar

 1 cup water

 2 tablespoons salt

 2 tablespoons sugar

 3 cloves garlic, smashed

 1 tablespoon mustard seeds

 1 teaspoon red pepper flakes

 1/2 teaspoon whole black peppercorns

 1/2 teaspoon celery seeds

 1 small fresh chili, sliced (optional)

Instructions

Bring a pot of salted water to a boil. Add the Brussels sprouts and blanch for 3 to 4 minutes until they are slightly tender but still firm. Drain and allow to cool.

In a saucepan, combine white vinegar, water, salt, sugar, smashed garlic, mustard seeds, red pepper flakes, black peppercorns, and celery seeds. Bring to a gentle boil, stirring until salt and sugar dissolve.

Pack the blanched Brussels sprouts tightly into a clean glass jar. Add sliced fresh chili if additional heat is desired.

Carefully pour the hot pickling brine over the Brussels sprouts, ensuring they are fully submerged.

Allow the jar to cool to room temperature. Seal tightly and refrigerate for at least 24 to 48 hours before serving to develop flavor.

Notes

  1. Select small to medium Brussels sprouts for optimal texture and even pickling.
  2. Ensure sprouts remain submerged in the brine to prevent spoilage and allow proper flavor infusion.
  3. While 24–48 hours is sufficient, refrigerating for up to one week results in a more robust taste.
  4. Use a clean glass jar with a tight lid to maintain freshness and avoid contamination.

Tools You’ll Need

  • Large pot for blanching
  • Saucepan for brine preparation
  • Clean glass jar with tight lid

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.

  • Calories: 35
  • Total Fat: 0.2 g
  • Total Carbohydrate: 6.7 g
  • Protein: 2.5 g

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