Sautéed Peppers and Onions
Sweet, caramelized onions and tender-crisp bell peppers tossed in a light savory seasoning. This quick and colorful side dish brings a smoky-sweet flavor to fajitas, sandwiches, or grilled meats. Ready in just 15 minutes with only a handful of ingredients.
For 4 servings
- prep
Slice the peppers and onions.
1.Cut the bell peppers in half, remove the stems, seeds, and white membranes.2.Slice the peppers into thin strips, about ¼-inch wide.3.Peel the onions, cut in half from root to tip, then slice into thin half-moons.TIPUse a mix of red, yellow, and green bell peppers for maximum color and sweetness. - saute · ~4 min
Start cooking the onions.
1.Heat olive oil in a large skillet over medium-high heat until shimmering.2.Add the sliced onions and a pinch of salt.3.Sauté for 3–4 minutes, stirring occasionally, until onions begin to soften and turn translucent.TIPThe salt draws moisture from the onions, helping them soften and caramelize. - saute · ~6 min
Add peppers and garlic to the pan.
1.Add the sliced bell peppers and minced garlic to the skillet.2.Stir everything together to coat the vegetables evenly in oil.3.Cook for 5–6 minutes, stirring often, until peppers are tender-crisp and edges are lightly charred.TIPDon't overcrowd the pan — the vegetables should have room to sear, not steam. - saute · ~1 min
Season and finish cooking.
1.Sprinkle black pepper and dried oregano over the vegetables.2.Toss well and cook for 1 more minute until fragrant.3.Taste and adjust seasoning if needed. - serve
Serve hot as a side dish or fajita filling.
What to keep in mind.
6 tips from the recipe — small details that make a real difference to the final dish.
- 1Slice peppers and onions uniformly so they cook at the same rate.
- 2Cook the onions first for a few minutes before adding peppers to build deeper sweetness.
- 3Resist stirring too often — letting them sit briefly creates better char marks.
- 4For extra smoky flavor, use a cast-iron skillet over high heat.
- 5Make ahead: reheat in a dry skillet over medium heat to revive texture, not microwave.
- 6Leftover peppers and onions keep in the fridge for up to 4 days in an airtight container.
Adapt it for your goals.
Spicy
Add 1 thinly sliced jalapeño or a pinch of red pepper flakes along with the garlic for heat lovers.
Italian styleItalian-style
Swap oregano for fresh basil and add a handful of cherry tomatoes in the last 2 minutes for a Mediterranean twist.
fajita styleFajita-style
Add 1 teaspoon ground cumin and 1 teaspoon smoked paprika with the garlic for a classic Tex-Mex flavor profile.
Why this is on our healthy list.
Rich in Vitamin C
Bell peppers, especially red ones, are packed with vitamin C, which supports immune function.
Low in Calories
This vegetable side dish is naturally low in calories, making it a light addition to any meal.
Good Source of Fiber
Onions and peppers provide dietary fiber, aiding digestion and promoting fullness.
Frequently asked questions
Yes, but thaw and pat them dry first to avoid steaming. Fresh will give better char and texture.







