Hummus, Arabian Style (w/ yogurt)

1 can chickpeas, drained
1 small plain yogurt
2-3 tablespoons of tahini (sesame seeds ground w/ olive oil)
1-3 cloves garlic
lemon juice to taste
2-3 tablespoons olive oil
salt and pepper
Garnish:
olive oil, olives

Combine all ingredients in a blender. Stop blender and stir the batter well from time to time. Spread hummus on serving plate, garnish with olive oil, olives. Good on toast.