Add olive oil and whole garlic cloves to a skillet.

Roast the garlic until it changes color and gives off a good aroma.

Turn off the heat after roasting garlic.

Blend boiled potatoes, roasted garlic, rosemary, salt, and pepper with water until smooth.

Add enough water to achieve desired soup consistency.

Pour the soup into a saucepan and bring to a boil.

Turn off the heat and adjust salt and pepper to taste.

In the same skillet, add olive oil and thinly sliced garlic.

Roast sliced garlic until golden brown for garnish.

Pour soup into a bowl and garnish with roasted garlic slices.

Serve the soup warm.