Baking recipes
cook salted egg to cooked salted one (that is really good for lunch)
cook saplings to cooked ones (best for trading)
make spider eye useful for golden things
get copper ingot
get dirt brick from dirt
cook spider eye again for diamond things
cook salt stone to salt (harvesting is much less efficient)
find a way to make sand from sandstone
get silver ingot

Crafting recipes

Usage of tools harvest multiple blocks at once