Based on this recipe.
Hummus
1/3 lb dried chickpeas, cooked or 1 can of chickpeas
3 Tbs olive oil
3 Tbs tahini
1 1/2 Tbs lemon juice
1 clove garlic
1/2 tsp salt
1/2 tsp black pepper
Blend chickpeas with oil, tahini, lemon juice, garlic, salt, and pepper. Use whatever tool you have on hand – blender, food processor, food mill, mortar and pestle.
Substitutions
I hear hummus is really good with the addition of preserved lemon. You can also add pine nuts, roasted red peppers, chili peppers, extra garlic, etc. Think of all the commercial varieties for inspiration!