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Sweet and sour giardiniera served
Crispy and flavorful homemade Italian giardiniera

Chicago-Style Sweet and Sour Giardiniera

Author: Flavelo
Recipes Vegetarian & Vegan Dishes Side Dishes
'Giardiniera' means 'gardener style', which says it all: the garden's best vegetables in a jar. This Italian classic found new life in Chicago, where it became an essential topping for sandwiches (Italian Beef). Our version leans towards the sweet and sour direction, where the velvetiness of olive oil seals in the vinegary crunch.
🕒 Prep Time 40 mins
🍳 Cook Time 10 mins
⌛ Total Time 1 day 50 mins
🍽️ Servings 8 servings
🔥 Calories 180 kcal
🌍 Cuisine Italian-American

Ingredients

Equipment Needed

  • Large saucepan for the brine
  • Large mixing bowl
  • Sterilized jars

Instructions

1 ✓

Cut the vegetables (except olives and pearl onions) into small, uniform pieces (approx. 1/2 inch).

Tip: The small size ensures you get a bit of everything in every spoonful.
2 ✓

Prepare the brine: boil the water, vinegar, salt, sugar, honey, and spices. Toss in the chopped raw vegetables, cook for 2 minutes, then turn off the heat.

Tip: This is a brief heat treatment (blanching): the vegetables become sterile but remain 'crisp-tender'.
3 ✓

Strain the vegetables (reserve the brine!), and mix in the olives and pearl onions.

Tip: We don't cook the olives and onions so they retain their texture.
4 ✓

Fill jars with the mixture. Top with the cooking brine up to 3/4 full, then fill the remaining space with olive oil.

Tip: The oil layer on top seals out oxygen.
5 ✓

Cool and let mature for 24 hours in the refrigerator.

Tip: The emulsion of oil and vinegar mixing with the vegetable juices creates the characteristic flavor.

Recipe FAQ

Why oil on top?
The oil layer hermetically seals the vegetables from the air (preservation) and also serves as a flavor carrier.

Ingredients

  • 10 oz cauliflower florets
  • 7 oz carrots
  • 5 oz celery stalks
  • 7 oz red bell pepper
  • 7 oz yellow bell pepper
  • 3.5 oz pearl onions (or small onion wedges)
  • 3.5 oz green olives (pitted)
  • 2 cups white wine vinegar
  • 2 cups water
  • 1 tbsp kosher salt
  • 1/3 cup sugar
  • 1/4 cup honey
  • 3 cloves garlic
  • 1 tsp mustard seeds
  • 1 tsp black pepper
  • 2 whole bay leaves
  • 2/3 cup extra virgin olive oil