Method 1: Crafting Table
Place 3 Cobblestone in a Crafting Table to make 6 Cobblestone Slabs.
6 How to Make a Cobblestone Slab in Minecraft
Use this simple recipe to make a Cobblestone Slab in Minecraft. You can see the exact ingredients, recipe layout, and workstation below.
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 Cobblestone in a Stonecutter to make 2 Cobblestone Slabs.
2 Method 3: Stonecutter
Use 1 Stone in a Stonecutter to make 2 Cobblestone Slabs.
2 About this Minecraft recipe
This page shows the vanilla recipe for 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.