Peel garlic

Coarsely chop basil, spinach and green onions

To make the pesto, drop the garlic cloves into a running food processor and process until minced

Stop machine and add spinach, basil, green onion, pine nuts, Parmesan and salt

Pulse to chop

With machine running, add the olive oil to make a paste. Peel potatoes and quarter

Place potatoes in a large pot and cover with cold water

Bring to a boil and add 1 teaspoon salt

Continue to simmer until potatoes are tender, about 15 minutes

Force potatoes through a ricer into a large bowl and stir in the butter and enough cream to make moist rice mashed potatoes

Season with salt and pepper

Swirl pesto through mashed potatoes and serve immediately.