Gather seeds, dirt, a hoe, a water bucket, and a light source
Find a flat area for your farm
Place dirt blocks in the shape you want
Dig a trench or hole for water
Fill the water source so nearby farmland stays hydrated
Use the hoe on dirt blocks to turn them into farmland
Plant seeds on the farmland
Place torches or other light sources nearby
Build a fence or wall around the farm
Keep the area protected from mobs and animals
Wait for crops to grow
Harvest the crops when fully grown
Replant seeds after harvesting
Expand the farm with more water and farmland as needed