Grilled Red Onions

Grilled Red Onions
Grilled Red Onions. James and James/Getty Images
  • Total: 21 mins
  • Prep: 15 mins
  • Cook: 6 mins
  • Yield: Serves 6 to 8 as a side dish
Nutritional Guidelines (per serving)
93 Calories
2g Fat
18g Carbs
3g Protein
See Full Nutritional Guidelines Hide Full Nutritional Guidelines
Nutrition Facts
Servings: Serves 6 to 8 as a side dish
Amount per serving
Calories 93
% Daily Value*
Total Fat 2g 3%
Saturated Fat 0g 2%
Cholesterol 0mg 0%
Sodium 33mg 1%
Total Carbohydrate 18g 6%
Dietary Fiber 3g 9%
Protein 3g
Calcium 73mg 6%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

These sliced onions are grilled with a fantastic balsamic sauce. Serve these up as they are or use these onions in any recipe that calls for them. They really do compliment a grilled hamburger or steak.


  • 2 pounds (900 g) red onions
  • 1/2 cup (120 mL) fresh parsley (chopped)
  • 2 tablespoons (30 mL) balsamic vinegar
  • 1 tablespoon (15 mL) olive oil
  • 1 1/2 teaspoon (7.5 mL) fresh rosemary (chopped)
  • 1 clove garlic (minced)
  • Dash salt
  • Dash pepper

Steps to Make It

  1. Gather the ingredients.
  2. Heat vinegar, garlic, ​and rosemary in a saucepan until hot. Don't boil. Let stand 20 minutes.
  3. Warm oil in a separate pan.
  4. Slice onions into 1/2-inch slices.
  5. Lay out on a cookie sheet and brush both sides with oil.
  6. Sprinkle salt and pepper over onions.
  7. Grill over medium heat for 4-6 minutes. Let the onion slices slightly char.
  8. Remove from grill and separate into rings. Toss with vinegar mixture and parsley.