Colcannon with Caramelized Onions
Creamy mashed potatoes blended with tender cabbage and golden caramelized onions, creating a comforting Irish side dish. This irish-inspired mediterranean ready in about 50 minutes pairs pounds potatoes, cabbage, tablespoons butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 250 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 pounds potatoes
- 1/2 cup cabbage
- 2 tablespoons butter
- 1 large onion
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup heavy cream
- chopped chives
Instructions
- Step 1: Place 2 pounds peeled and cubed potatoes in a pot, cover with cold water, and add 1/2 teaspoon salt. Bring to a boil over medium-high heat, then simmer for 15-20 minutes until fork-tender.
- Step 2: Melt 2 tablespoons butter in a skillet over medium heat. Add 1 large thinly sliced onion and cook for 10-12 minutes, stirring occasionally, until deep golden brown and caramelized.
- Step 3: Drain potatoes and return to pot. Add 1/2 cup chopped cabbage, 1/4 teaspoon black pepper, and caramelized onions. Mash until smooth, stirring in 1/4 cup heavy cream for extra creaminess.
- Step 4: Season with additional salt and pepper to taste. Serve warm, garnished with chopped chives.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Colcannon with Caramelized Onions take to make?
Total time is about 50 minutes (20 min prep + 30 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Colcannon with Caramelized Onions?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep pounds potatoes from drying out.
Can I substitute ingredients in Colcannon with Caramelized Onions?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Colcannon with Caramelized Onions for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Colcannon with Caramelized Onions?
Irish mediterranean like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
The Mediterranean twist with caramelized onions elevated this Irish classic beautifully. Will make again!
- ★★★★★
This colcannon transformed my weeknight dinner! The caramelized onions were worth the extra time and made it feel special.
- ★★★★☆
Perfect for family dinner—my kids actually ate their veggies! Slightly bland without extra garlic, but still a hit.