Method 1: Crafting Table
Place 3 Mossy Cobblestone in a Crafting Table to make 6 Mossy Cobblestone Slabs.
6 How to Make a Mossy Cobblestone Slab in Minecraft
Use this simple recipe to make a Mossy Cobblestone Slab in Minecraft. You can see the exact ingredients, recipe layout, and workstation below.
Mossy Cobblestone Slab recipe
Follow the recipe below. The pattern must use the correct slots when the recipe is shaped.
6 
Method 2: Stonecutter
Use 1 Mossy Cobblestone in a Stonecutter to make 2 Mossy Cobblestone Slabs.
2 About this Minecraft recipe
This page shows the vanilla recipe for Mossy Cobblestone Slab. It includes the exact ingredients, recipe layout, required workstation, and amount produced.
The data comes from Minecraft Java 26.2. Recipes can change in later game versions, so check the version you play before crafting.