Witcher Wiki
Tvarog runestone
Tw3 runestone tvarog
Runestone. Place in an empty socket on a sword. Goes wonderfully with the Pyerog runestone.
Description
Inventory/slot
Equipment
Category
Relic
Type
Upgrades
Expansion
Hearts of Stone
Source
Crafting / Loot / Purchase
Base price
125 crown(s)
Price to buy
125 crown(s)
Price to sell
34 – 43 crown(s)
Weight
0.3 weight
Effects
Works in tandem with the Pyerog runestone
Crafting
Requirements
Craftsman / Journeyman
Diagram
Tvarog runestone
Components
1x Lesser runestone
1x Cow's milk
Dismantling
Components
3x Infused dust

This runestone appears to be an in-joke. In Polish, "pierogi z twarogiem" means "dumplings (or perhaps pasty or pie) with cottage cheese". This is essentially the "cottage cheese rune".