Michael Natkin's Potato and Green Bean Salad with Arugula Pesto

INGREDIENTS

2 oz

Baby arugula

Garlic cloves

8 oz

Green beans

1/4 cup

Mint, loosely packed fresh leaves

1 lb

Waxy potatoes, small red such as

Black pepper, Freshly ground

2 1/8 tbsp

Kosher salt

3 tbsp

Olive oil, extra-virgin

1/2 cup

Walnut, toasted

1 oz

Grana padano or parmigiano-reggiano, grated