There is nothing quite like the smell of peppers hitting a hot griddle and getting those beautiful blistered edges! You are going to love how the high heat transforms simple red onions into something sweet and caramelized while keeping a satisfying bite. It is a vibrant Mediterranean dish that feels like a celebration of fresh ingredients, and it pairs wonderfully with grilled lamb chops, chicken fajitas, steak, or even tucked into a warm pita with a big dollop of hummus.

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Why We Love This Recipe
- Textural Balance: The griddle allows for caramelization while keeping a slight “snap” in the vegetables.
- Bold Profiles: Salty olives and tangy vinegar cut right through the natural sweetness of the charred peppers.
- Effortless Cleanup: Cooking everything on one flat surface makes the post-dinner routine a breeze.
Ingredients

- Bell peppers
- Red onion
- Extra virgin olive oil
- Kosher salt
- Black pepper
- Dried oregano
- Kalamata olives
- Feta
- Red wine vinegar
- Fresh parsley (optional)
See the recipe card below for exact quantities.
Instructions
Preheat the Surface
Heat your griddle over medium-high (approximately 375°F to 400°F / 190°C to 200°C).
Season the Vegetables
In a large bowl, toss the sliced peppers and onions with the olive oil, salt, pepper, and oregano until evenly coated.

Char and Soften
Spread the vegetables across the griddle in a single layer to ensure they sear rather than steam. Cook for 6 to 8 minutes, turning occasionally with a spatula, until softened and lightly blistered at the edges. You want colour without collapse.
The Finishing Touches
Transfer the warm vegetables to a serving bowl. Fold in the halved olives and drizzle with the red wine vinegar. Top with the crumbled feta and parsley right before you head to the table.

Expert Tips
- Avoid Crowding: If the vegetables are piled too high on the griddle, they will release moisture and steam. Keep them in a single layer to get those beautiful dark sear marks.
- Temperature Control: If the onions are browning too fast before the peppers soften, slide them to a cooler zone on your dual-burner griddle.
Substitutions
- Cheese: If you aren’t a fan of feta, goat cheese provides a lovely creamy texture, or you can use shaved parmesan for a nuttier finish.
- Acidity: Swap the red wine vinegar for a splash of lemon juice or a balsamic glaze if you prefer a bit more sweetness.
Serving Suggestions
- Main Pairings: This is a fantastic side for griddled lamb chops, blackened chicken, or even a thick ribeye steak.
- Make it a Meal: Toss these vegetables into a warm pita with a big dollop of hummus and some fresh cucumbers for a quick vegetarian lunch.

Garlic and Anchovy Lamb Chops With Warm Salsa Verde. Served with Smashed Baby Potatoes with Lemon and Olive Oil and Griddled Peppers and Onions with Olives and Feta.
Loved this recipe? Try These Sides Next:
- Grilled Veggie Skewers
- Greek-Style Lemon Potato Wedges with Whipped Feta
- Roasted Delicata Squash & Cauliflower
📖 Recipe

Easy Griddled Peppers and Onions with Olives and Feta
Ingredients
- 3 bell peppers multi-colored, sliced into thick strips
- 1 large red onion sliced into wedges
- 2 tablespoon extra virgin olive oil
- ½ teaspoon kosher salt
- ½ teaspoon freshly cracked black pepper
- ½ teaspoon dried oregano
- ⅓ cup pitted Kalamata olives halved
- ½ cup crumbled feta
- 1 teaspoon red wine vinegar
- Fresh parsley for garnish optional
Instructions
Preheat the Surface
- Heat your griddle (ideally a dual-burner model) over medium-high (approximately 375°F to 400°F / 190°C to 200°C).
Season the Vegetables
- In a large bowl, toss the sliced peppers and onions with the olive oil, salt, pepper, and oregano until evenly coated.
Char and Soften
- Spread the vegetables across the griddle in a single layer to ensure they sear rather than steam. Cook for 6 to 8 minutes, turning occasionally with a spatula, until softened and lightly blistered at the edges. You want colour without collapse.
The Finishing Touches
- Transfer the warm vegetables to a serving bowl. Fold in the halved olives and drizzle with the red wine vinegar. Top with the crumbled feta and parsley right before you head to the table.
💬Tried this recipe?
- We'd really appreciate a rating and quick review! It helps more home cooks find the recipe, and we love hearing what you think.
Video
Notes
Expert Tips
- Avoid Crowding: If the vegetables are piled too high on the griddle, they will release moisture and steam. Keep them in a single layer to get those beautiful dark sear marks.
- Temperature Control: If the onions are browning too fast before the peppers soften, slide them to a cooler zone on your dual-burner griddle.
Substitutions
- Cheese: If you aren't a fan of feta, goat cheese provides a lovely creamy texture, or you can use shaved parmesan for a nuttier finish.
- Acidity: Swap the red wine vinegar for a splash of lemon juice or a balsamic glaze if you prefer a bit more sweetness.
Serving Suggestions
- Main Pairings: This is a fantastic side for grilled lamb chops, blackened chicken, or even a thick ribeye steak.
- Make it a Meal: Toss these vegetables into a warm pita with a big dollop of hummus and some fresh cucumbers for a quick vegetarian lunch.






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