Preheat oven to 375ºF (190ºC)
Rinse potatoes and coarsely chop into quarters or smaller as needed.
Peel and chop onion into large chunks. Peel garlic, leave whole.
Lightly grease a baking pan with olive oil. Place potatoes, onions and garlic on pan and drizzle with olive oil.
Sprinkle on fresh herbs and salt and pepper to taste
Bake at 375ºF (190ºC) for 50 min-1 hour, until potatoes are tender. Check by piercing with a fork, it done the potato will easily slide off the fork.
Place in bowl and mash using potato masher or large fork.
Add butter and cream to preference and beat until smooth. Add more salt and pepper if needed.