Laura's Tzatziki

2 cups strained full-fat yogurt
1 medium cucumber
4 cloves of garlic, mashed to a paste
2 tablespoons olive oil
salt
pinch of pepper
a little vinegar
fresh dillweed, finely chopped
a few ripe olives (for garnish)

Grate the peeled cucumber on a coarse grater and press as much liquid as possible out of it.  Mix the cucumber with the rest of the ingredients.  Garnish with the olives.  Serve with bread or meat.