Place garlic with a pinch of sea salt in a large mortar. Grind until garlic resembles a pasta.

Add ½ cup basil leaves and grind until broken down. Add another ½ cup and grind until broken down. Repeat until all basil leaves have been ground.

Add walnuts and almonds and grind with the basil and garlic mixture. Add oil and grind until mixture is combined.

Add gran padano and parmesan and grind until combined. Season with salt and pepper.