Oak Planks can be used for building structures, as crafting ingredients, and also as fuel for the furnace.
To make Oak Planks, you just need Oak Wood Logs and the Crafting Table. Please follow the following steps to make Oak Wood Planks.
Oak Wood Logs
In order to make an oak Planks, the item you will need is wood Log of oak tree. Find an oak tree and use your ironaxe to chop down a wood log. You can find oak trees in the Forest Biome.
Oak Wood Planks
After that, you will need to use the crafting table to craft wood planks. Go towards the crafting table and open up 3*3 crafting grid to add oak wood blocks in the center or any cell of the grid. You will get oak wood planks in the right-side box to the crafting table. Add these wood planks into ready to use stock.