Easy Vegan Broccoli Pesto Pasta

¼ cupraw broccoli

½ cupsbaby spinach

⅕ cupfresh basil

⅕ teaspoonsea salt

⅕ teaspoonground black pepper

1 clovesgarlic

¼ cupwalnuts

⅕ cupveggie broth, you can also use water but broth gives more flavor

⅖ tablespoonsolive oil , optional

4 ouncesyour favorite pasta, gluten-free if needed