Roast the Garlic (Optional but Recommended):Preheat your oven to 375°F (190°C).Wrap the garlic clove in foil and roast for 15 minutes, until soft and slightly caramelized.Let it cool, then mash it before adding to the pesto. Blend the Dry Ingredients:In a food processor, combine basil, roasted almonds, mashed garlic, lemon zest, and Parmesan.Pulse until finely chopped and well combined. Add the Olive Oil & Lemon Juice:Slowly drizzle in the olive oil while blending to create a smooth texture.Stir in lemon juice for added brightness.Season with salt & pepper to taste. Adjust the Consistency (Optional):If you want a creamier pesto, blend in the cooked potato.For a thinner sauce, add an extra drizzle of olive oil or a splash of water.