Experiment with different varieties of nuts like walnut, pistachio, etc and even seeds like sunflower seeds are a great substitute.

Spinach Pesto

Spinach Pesto

Spinach Pesto

Ingredients

2 1/2 cups lightly packed baby spinach leaves
1/3 cup pine nuts, toasted
3 tablespoons fresh lemon juice
2 teaspoons grated lemon peel
1/4 cup olive oil
Salt and freshly ground black pepper
1/4 cup freshly grated Parmesan

Directions

  1. In a food processor, combine the spinach, pine nuts, lemon juice, and lemon peel. Lightly pulse until well mixed.
  2. With the machine running on low, slowly add the olive oil until the mixture is creamy.
  3. Gently stir the Parmesan into the mixture, and season with salt and pepper. Mix well.

Makes about 2 cups.