Yogurt-herb-eggplant Spread

• 1 garlic clove
• 1 firm shiny eggplant
• 1 bay leaf
• 230 gr japanese eggplants
• 120 ml yogurt (plain)
• 16 ml extra-virgin olive oil
• 2 gr oregano (dried)
• 1 gr thyme leaves (chopped)
• 1 gr thyme (dried)
• 1 slice garlic clove