Slow Cooker 3-Ingredient Onion Butter Potatoes (Easy & Flavor-Packed Side Dish)
Slow Cooker 3-Ingredient Onion Butter Potatoes Recipe
If you need a simple, no-fuss side dish that delivers big flavor with minimal effort, these Slow Cooker 3-Ingredient Onion Butter Potatoes are exactly what you need. Made with tender baby potatoes, rich melted butter, and savory onion soup mix, this crockpot recipe is perfect for busy weeknights, potlucks, or holiday meals.
With just three pantry staples and a slow cooker, you’ll have buttery, perfectly seasoned potatoes that pair beautifully with almost any main dish. This easy recipe is especially popular for gatherings because it requires almost no prep time and keeps warm in the crockpot.
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Ingredients (Only 3!)
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2 pounds baby potatoes (or Yukon Gold potatoes, halved)
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½ cup unsalted butter, melted
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1 packet dry onion soup mix
Instructions
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Wash and dry the potatoes. If large, cut them into bite-sized pieces.
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Place potatoes in the slow cooker.
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Pour melted butter over the potatoes.
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Sprinkle the dry onion soup mix evenly on top.
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Toss gently to coat.
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Cover and cook on LOW for 4–5 hours or HIGH for 2–3 hours, until potatoes are fork-tender.
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Stir before serving to evenly distribute the buttery seasoning.
Serve warm straight from the crockpot.
Tips for the Best Onion Butter Potatoes
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Use baby potatoes for the best texture and presentation.
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Stir once halfway through cooking if possible.
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Do not add water — the butter and potatoes create enough moisture.
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Garnish with chopped parsley for color.
Delicious Variations
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Add minced garlic for extra flavor.
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Stir in shredded Parmesan before serving.
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Add fresh rosemary or thyme.
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Sprinkle with crispy bacon bits.
Serving Suggestions
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Grilled chicken
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Roast beef
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Pork chops
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Meatloaf
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BBQ ribs
Storage Instructions
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Store leftovers in an airtight container for up to 4 days.
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Reheat in microwave or skillet.
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Freeze for up to 2 months (texture may soften slightly).