3-Ingredient Foil Packet Potatoes

A Simple Comfort Food Everyone Loves
These buttery foil packet potatoes are the ultimate easy side dish for busy nights, BBQs, camping trips, or cozy girls’ nights at home. Made with just 3 simple ingredients, they turn incredibly soft, flavorful, and aromatic while cooking. The moment you open the foil packets, the rich buttery aroma fills the kitchen instantly.
Perfect for beginners and incredibly versatile, this recipe delivers restaurant-style flavor with almost no effort.
Why You’ll Love This Recipe
Only 3 ingredients
Minimal prep and cleanup
Perfect for slow cookers, ovens, or grills
Soft, buttery, and packed with flavor
Great side dish for chicken, steak, or burgers
Ingredients
6 medium potatoes, washed and diced
4 tablespoons butter, melted
1 packet onion soup mix
Optional Add-Ins
Although the classic version uses only 3 ingredients, you can also add:
Garlic powder
Black pepper
Shredded cheese
Fresh parsley
Bacon bits
Kitchen Tools Needed
Aluminum foil
Slow cooker or oven
Mixing bowl
Knife and cutting board
How to Make 3-Ingredient Foil Packet Potatoes
Step 1: Prepare the Potatoes
Wash and dice the potatoes into bite-sized pieces. Place them into a large mixing bowl.
Step 2: Add Flavor
Pour the melted butter over the potatoes and sprinkle the onion soup mix on top. Toss everything together until evenly coated.
Step 3: Make the Foil Packets
Cut large squares of aluminum foil and divide the potato mixture evenly between them. Fold and seal each packet tightly.
Step 4: Cook
Place the foil packets into a slow cooker or baking dish.
Slow Cooker Method
Cook on LOW for 6–7 hours or HIGH for 3–4 hours.
Oven Method
Bake at 400°F (200°C) for 35–45 minutes until the potatoes are tender.
Step 5: Serve
Carefully open the foil packets and serve hot with your favorite main dishes.
Serving Suggestions
These potatoes pair perfectly with:
Grilled chicken
Steak
BBQ ribs
Burgers
Roasted vegetables
They’re also delicious topped with sour cream and fresh herbs.
Tips for the Best Foil Packet Potatoes
Use Yukon Gold or red potatoes for extra creaminess.
Seal the foil tightly to keep all the steam and flavor inside.
Cut potatoes evenly for consistent cooking.
Add shredded cheese during the last few minutes for a cheesy version.
Storage & Reheating
Refrigerate
Store leftovers in an airtight container for up to 3 days.
Reheat
Warm in the oven at 350°F or microwave until heated through.
Frequently Asked Questions
Can I make these ahead of time?
Yes. Assemble the foil packets a day ahead and refrigerate until ready to cook.
Can I cook them on the grill?
Absolutely. Grill over medium heat for about 30–40 minutes, turning occasionally.
Can I use sweet potatoes?
Yes, sweet potatoes work wonderfully and add a slightly sweet flavor.
Final Thoughts
This 3-ingredient foil packet potato recipe proves that simple ingredients can create unforgettable flavor. Easy to prepare, incredibly comforting, and always a crowd favorite, it’s the kind of recipe you’ll make again and again.