Rustic Potato and Caramelized Onion Hash

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A hearty skillet hash combining diced potatoes and slowly caramelized onions, perfect for a comforting brunch or side dish. This american-inspired breakfast ready in about 55 minutes combines russet potatoes, yellow onion, olive oil into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 280 calories and feeds 4, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. 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.

Prep: 15 min Cook: 40 min Serves 4 American cuisine 280 cal/serving
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Ingredients

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Instructions

  1. Step 1: Peel and dice 3 medium russet potatoes into 1/2-inch cubes, rinse under cold water, then pat dry thoroughly.
  2. Step 2: Peel and thinly slice 2 large yellow onions.
  3. Step 3: Heat 2 tbsp olive oil and 2 tbsp unsalted butter in a large skillet over medium-low heat. Add the sliced onions and cook, stirring occasionally, for 25-30 minutes until deep golden brown and caramelized.
  4. Step 4: In a separate skillet, heat remaining 2 tbsp olive oil over medium-high heat. Add the diced potatoes, seasoning with 1 tsp salt and 1/2 tsp black pepper, and cook for 15 minutes, stirring occasionally, until golden and crispy on the outside and tender inside.
  5. Step 5: Add 3 minced garlic cloves and 1 tbsp chopped fresh rosemary to the potatoes, sauté for 1 minute until fragrant.
  6. Step 6: Combine the caramelized onions with the potatoes in the skillet. Season with remaining 1/2 tsp salt and 1/2 tsp black pepper, stir to mix well.
  7. Step 7: Remove from heat and garnish with 2 tbsp chopped fresh parsley before serving warm.

Frequently asked questions

How long does Rustic Potato and Caramelized Onion Hash take to make?

Total time is about 55 minutes (15 min prep + 40 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.

How do I store leftover Rustic Potato and Caramelized Onion Hash?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.

Can I substitute ingredients in Rustic Potato and Caramelized Onion Hash?

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 Rustic Potato and Caramelized Onion Hash for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Rustic Potato and Caramelized Onion Hash?

American breakfast 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.