Kale & Spring Greens Pesto - Dinner With Julie

Ingredients

• 4 cups fresh kale, chard, spinach and/or arugula, tough stems trimmed, roughly chopped
• 1/2 cup chopped walnuts or almonds, toasted
• 1 cup freshly grated Parmesan cheese
• 2-3 garlic cloves, crushed
• juice of half a lemon
• 1/2 cup extra-virgin olive oil
• salt and pepper