Turn your stacks of slabs back into their block for by putting them left/right of eachother in a crafting grid.
Color Variants
Beds
Recolor any bed by just putting it next to another dye in a crafting grid.
Carpets
Use any 8 carpets and surround by a dye to redye those carpets into the new dye color.
Shulkers
Why craft your shulker box and then dye it? Just add the dye while crafting the shulker box!
Wool
Redye any wool by just putting it next to another dye in a crafting grid.
Dyes - New Dye Mixes
Smelt Coal to recieve Black dye
Mix Orange and Black dye to get 2 Brown dye
Alternitavely, you can mix 2 Red dye, 1 Yellow dye, and 1 Blue dye to create 4 Brown Dye
Put Dried Kelp in a crafting grid to recieve Green dye
Smelt a Moss block to recieve Green dye
Put a Flowering Azalea or Flowering Azalea Leaves in a crafting grid to get Magenta Dye
Put a Popped Chorus Fruit in a crafting grid to recieve Magenta Dye
Use a Spore Blossom in a crafting grid to get Pink dye
Whats that? Another crafting grid recipe? Yup, just put an Amethyst Shard in a crafting grid to get Purple dye
Finally, something new, smelt Sweet Berries to get Red dye
Use black dye in place of an ink sac in the Book and Quill recipe
Functional
Use any stone-type slabs in place of the slabs in the Armor Stand and Grindstone recipes
Mix and match all obsidian and glass types in the Beacon recipe
Mix any obsidian type in the enchant table recipe!
Use any cobblestone-related blocks in place of the Brewing Stand recipe
Use any cobblestone-related blocks in place of the Dispenser, Dropper, Brewing Stand, Furnace, Lever, Observer, Piston, Repeater and Comparator recipes!
Smelting
Smelt all slabs and stair types that their full block counterpart can smelt into, such as cobblestone to stone, sandstone to smooth sandstone etc
Special
Put a tnt, furnace, hopper, or chest inside a minecart recipe to precraft into its respectable counterpart.
Tools
Craft all stone tools with all cobblestone-related blocks.
Craft Spectral Arrows using more glowing related items!
Uncrafting
Blocks
Amethyst to Shards
Blue ice to Packed ice
Brown Mushroom block to Brown Mushroom
Red Mushroom block to Red Mushroom
Calibrated Sensor to Sculk Sensor
Clay block to Clay
Cobweb to String
Dripstone block to Pointed Dripstone
3 Gravel to 1 Flint
1 Honey block around 4 empty bottles to make 4 Honey Bottles
Honeycomb Block to 4 honeycomb
Magma Block to 4 Magma Cream
Melon Block to 9 Melons
Nether Brick Block to 4 Nether Bricks
Nether Wart Block to 9 Nether Wart
Warped Wart Block to 4 Warped Fungus
Packed Ice to Ice
Quartz Block to Quartz
Sandstone to Sand
Snow Block to Snowballs
Wool to String
Tags
Item (What are Tags?)
Tags are a way of telling a recipe to allow more than one type of item. For example, for stone tools, I gave it my custom "Stone" tag, which means you can make a Stone Sword out of anything from the Stone list down below.
Books (book, enchanted book, writable book, written book)