peel and grate cucumber. salt the grated cucumber and stir. leave to sit for 5 minutes.
place into strainer and squeeze out extra water. move to a bowl and add yogurt until you get to the consistency you like. if your yogurt is non-fat, you might want to add a little olive oil.
add some ground black pepper and salt to taste.
spicing options:
garlic: add crushed raw garlic
minty: add ground dried mint
dill:add crushed dried dill or chopped fresh dill