Celery Leaf Pesto

Ingredients

• 1/8 cup pine nuts, toasted
• 1/2 large garlic clove, peeled
• 1/4 cup flat leaf parsley, tightly packed
• 1/2 cup celery leaves, tightly packed (choose the tender leaves)
• 1/8 teaspoon kosher salt
• 1/2 cup olive oil
• 1/8 cup parmigiano-reggiano cheese, freshly grated
• 1/2 lemon, zest of
• 1/2 lemon, juice of