Preheat oven to 400°F. Cut the top off garlic head and drizzle with a small amount of olive oil. Wrap in aluminum foil and roast for 40 minutes.
Remove from oven and allow to cool for a few minutes.
Add remaining hummus ingredients except sea salt to a blender or food processor. Remove roasted garlic cloves from outer skin and add to the container.
Blend until smooth. Add more water, if necessary, to achieve desired consistency. Taste and adjust seasonings.
To serve: transfer to a serving dish and drizzle with extra virgin olive oil and a sprinkle of smoked paprika. Serve immediately with fresh vegetables and Kalamata olives.