Wash and prepare vegetables such as onions, garlic, potatoes, and broccoli thoroughly.
Heat olive oil in a pot and sauté the chopped onions and garlic.
Add the prepared vegetables to the pot and sauté together.
Pour in water or vegetable broth and bring to a boil.
Simmer over medium heat until the potatoes are cooked through.
Season with salt and pepper.
If desired, add milk or cream to make it creamier.
Blend until smooth using a blender to finish.