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Close-up of tender baby red potatoes and onions cooked in foil, lightly charred and seasoned, with the foil peeled back.

Foil Packet Potatoes and Onions

Simple, buttery, and full of flavor - these Foil Packet Potatoes are an easy side dish that can be tossed on the grill or baked in the oven. Perfect for busy weeknights, cookouts, or camping meals.
4.72 from 7 votes
Prep Time 10 minutes
Cook Time 1 hour
Course Side Dish
Cuisine American, Farmhouse
Servings 4
Calories 304 kcal

Ingredients
  

  • 1 pound baby red potatoes washed and cut in half
  • 2-3 onions sliced
  • 1 stick butter sliced into pats
  • salt and pepper to taste

Instructions
 

  • Tear off two sheets of heavy-duty aluminum foil and lay them down in a criss-cross pattern on a flat surface.
  • Place the halved baby red potatoes and sliced onions in the center of the foil.
  • Evenly distribute the butter pats over the top of the potatoes and onions.
  • Season generously with salt and pepper to taste.
  • Bring up the sides of the foil and tightly seal the packet around the contents, ensuring it's fully closed to trap in heat and steam.
  • To Grill: Place the foil packet on the top rack of a preheated grill. Cook for 45 minutes to 1 hour, until potatoes are fork tender.
  • To Bake: Place the foil packet on a baking sheet and bake in a preheated 350ºF oven for 1 hour, or until potatoes are fork tender.
  • Carefully open the foil packet (watch for steam!) and serve hot.

Notes

  • You can add fresh herbs like rosemary or thyme for extra flavor.
  • For extra crispy edges, open the foil during the last 10 minutes of baking or grilling.
  • These packets can be made ahead and stored in the fridge until ready to cook.

Nutrition

Serving: 1cupCalories: 304kcalCarbohydrates: 23gProtein: 3gFat: 23gSaturated Fat: 15gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 1gCholesterol: 61mgSodium: 204mgPotassium: 603mgFiber: 3gSugar: 4gVitamin A: 715IUVitamin C: 14mgCalcium: 31mgIron: 1mg

Nutrition values are estimates, for exact values consult a nutritionist.

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