My 4-ingredient potato soup is thick, creamy, and made in one pot in 40 minutes using just milk, onion, butter, and potatoes. It is simple, delicious, and perfect for chilly winter nights, especially topped with shredded cheese and green onions.
0 Sauté the diced onion in 1 tbsp of butter until translucent.
1 Add the diced potatoes and water, bring to a boil. Reduce heat and simmer for 15-20 minutes or until the potatoes are tender and fall apart when poked with a fork.
2 Remove from heat and mash with a potato masher or use an immersion blender for a smoother soup. (It will look a little like mashed potatoes at this stage)
3 Add the milk, remaining butter, salt and pepper to taste.
4 Return to the heat and gently simmer for 5 minutes.
5 Divide into bowls and serve topped with grated cheese and sliced green onions.
