Colcannon Potato Cakes with Scallions and Butter

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Pan-fried potato cakes made from classic colcannon mashed potatoes, crisped golden and flavored with scallions and butter. This irish-inspired st. patrick’s day ready in about 25 minutes pairs finely chopped scallions, all-purpose flour, unsalted butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 4, 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.

★ 4.5 (8 ratings) Prep: 10 min Cook: 15 min Serves 4 Irish cuisine 220 cal/serving
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Ingredients

Instructions

  1. Step 1: In a bowl, combine 2 cups prepared colcannon mashed potatoes, 3 finely chopped scallions, 1/4 cup all-purpose flour, 1/2 tsp salt, and 1/4 tsp freshly ground black pepper. Mix until well incorporated.
  2. Step 2: Divide mixture into 8 equal portions and shape each into a 3-inch diameter patty about 1/2 inch thick.
  3. Step 3: Heat 2 tbsp vegetable oil and 3 tbsp unsalted butter in a large skillet over medium heat until foaming.
  4. Step 4: Add potato cakes in batches and fry for 4-5 minutes per side until golden brown and crisp on the edges.
  5. Step 5: Remove from skillet and drain on paper towels. Serve warm as a side or snack.

Frequently asked questions

How long does Colcannon Potato Cakes with Scallions and Butter take to make?

Total time is about 25 minutes (10 min prep + 15 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 Potato Cakes with Scallions and Butter?

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 finely chopped scallions from drying out.

Can I substitute ingredients in Colcannon Potato Cakes with Scallions and Butter?

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 Potato Cakes with Scallions and Butter 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 Colcannon Potato Cakes with Scallions and Butter?

Irish st. patrick’s day 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.

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