Preheat oven to 500 degrees
Peel 3 pounds of potatoes and dice ¾ inch cubes
Dice one small onion
Add ½ teaspoon baking soda to 10 cups of water. Add potatoes and bring to a boil. Boil for one minute and drain.
Place potatoes back in pot and gently stir under low heat for 2 minutes to dry.
Turn off heat. Add 3 tablespoons of salted butter, 1 ½ teaspoon of salt. Stir until butter has melted.
Add 2 tablespoons of cooking oil to pan and spread over pan. Place in oven for 2 minutes to heat the oil.
Add potatoes to pan and cook for 12-15 minutes.
Flip potatoes and add diced onion to center of pan. Cook for another 12-15 minutes.
Stir onions and potatoes together and cook for another 5-10 minutes.