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Slow Cooker Onion Butter Potatoes


These Onion Butter Potatoes are a humble one-pot wonder—baby potatoes slow-cooked in a rich, golden sauce of butter, onions, and herbs until fork-tender and deeply flavorful. With just 5 simple ingredients, they’re the perfect side for roast chicken, grilled steak, or holiday feasts—and require zero hands-on time after prep.
No peeling, no pre-boiling, no fuss—just set it and forget it!

Why You’ll Love This Recipe

  • 🥔 Only 5 ingredients—pantry staples!
  • ⏱️ 10 minutes prep, then walk away
  • 💛 One slow cooker = easy cleanup
  • 💸 Costs under $6—feeds 6 generously
  • 🌾 Naturally nut-free & gluten-free

Ingredients You’ll Need

(6-quart slow cooker)
  • 2 lbs (900g) baby potatoes, halved (Yukon Gold or red)
  • ½ cup (1 stick / 115g) unsalted butter, cut into small pieces
  • 1 large yellow onion, thinly sliced
  • 1 tsp garlic powder (or 2 cloves minced garlic)
  • 1 tsp dried thyme or rosemary
  • Salt & black pepper to taste
  • Optional: ¼ cup chicken broth (for extra moisture)
💡 Pro Tips:
  • Don’t peel potatoes—skin adds flavor and holds shape.
  • Layer onions on bottom—they form a natural “bed” that prevents sticking.
  • Use real butter—margarine won’t give the same richness.

Step-by-Step Instructions (Tender, Buttery, Foolproof)

1. Layer in Slow Cooker

  • Place sliced onions in the bottom of the slow cooker.
  • Add potato halves on top.
  • Sprinkle with garlic powder, thyme, salt, and pepper.
  • Dot evenly with butter pieces.
  • Optional: Pour ¼ cup chicken broth around edges for extra sauciness.

2. Cook Low & Slow