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Sumac onions in a small condiment bowl with a gold spoon.

Sumac Onions (Marinated Onion Salad)

5 from 16 votes
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This easy recipe for sumac marinated red onion salad is one you will make on repeat. Sumac onions are a slightly sweet, tart and lemony Middle Eastern condiment to serve with any meal.
Recipe byAdri
Yield1 cup
Servings4
Prep Time5 minutes
Resting Time: 30 minutes
Total Time35 minutes

Equipment

Ingredients
 

  • 1 red onion
  • 1 tablespoon sumac
  • 1 tablespoon lemon juice
  • teaspoon salt

Instructions

  • Cut the red onion in half. Then slice it into thin half-moons – I like to use a mandolin for even slices, but you can use a sharp knife. Place the red onion slices in a bowl of cold water and leave for at least 10 minutes (up to 30 minutes).
  • Thoroughly drain the sliced onions and mix them with the rest of the ingredients. Use your hands to massage the sumac into the onions.
  • Set the red onion salad aside for the sumac marinade to do its magic. Leave it for at least 20 minutes before serving.
  • Transfer leftover sumac onions to a non-reactive airtight container and refrigerate for up to 5 days.

Notes

The total time of 30 minutes is mostly resting time. These easy sumac onions require almost no effort to get ready!

Nutrition Information

Calories: 12 kcal Carbohydrates: 3 g Protein: 0.3 g Fat: 0.04 g Saturated Fat: 0.02 g Polyunsaturated Fat: 0.01 g Monounsaturated Fat: 0.003 g Sodium: 74 mg Potassium: 44 mg Fiber: 0.5 g Sugar: 1 g Vitamin A: 1 IU Vitamin C: 3 mg Calcium: 7 mg Iron: 0.1 mg