Soften yeast in water
On a large bowl, mix flour, salt, sugar, then pour in yeast, knead
Add in unsalted butter, continue kneading until mixture forms a nice dough
Cover and let rest for an H, until doubled in size
Preheat frying oil
Pinch enough dough and flatten it, as wide as your pan is, then fry until golden brown, turning once
Crush garlic and mix it with olive oil
Brush garlic oil on fried dough, sprinkle lightly with salt, then spread too with sour cream
Lastly, sprinkle grated cheese generously, and serve immediately