Frog Balls Pickled Brussels Sprouts

Featured in Elegant Small Bites.

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.

Barbara Chef
Updated on Mon, 09 Mar 2026 03:38:24 GMT
A jar of pickled green vegetables. Pin it
A jar of pickled green vegetables. | gracefulflavors.com

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.

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 saucepan
Blanch 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 crunch
Combine 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 spices
Pack 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 product
Add 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 pickling
Seal 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. Pin it
A jar of pickled green vegetables. | gracefulflavors.com

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

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

01 1 pound fresh Brussels sprouts, trimmed

→ Pickling Brine

02 2 cups white vinegar
03 1 cup water
04 2 tablespoons salt
05 2 tablespoons sugar
06 3 cloves garlic, smashed
07 1 tablespoon mustard seeds
08 1 teaspoon red pepper flakes
09 1/2 teaspoon whole black peppercorns
10 1/2 teaspoon celery seeds
11 1 small fresh chili, sliced (optional)

Instructions

Step 01

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.

Step 02

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.

Step 03

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

Step 04

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

Step 05

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