1. Preheat the oven to 350 F.
2. Place the raw peanuts on a shell in a deep bowl.
3. Add 1 tbps. peanut oil, and mix very well.
4. Place the peanuts in a single layer inside a shallow baking pan.
5. Bake for 30-40 minutes.

Easy and delicious. Just buy raw peanuts, and roast them at home. Instead of peanut oil, feel free to use any other oil that you like. Also, if preferred, add some salt.