This is a vegan pesto recipe because it is made without cheese. Almonds are a delicious alternative to pine nuts. They’re also more affordable and easily available. With the addition of Celtic sea salt, you won’t miss the parmesan! Toss zucchini noodles with pesto for a low carb, vegan meal. For a more traditional sauce, add a 1/2 cup grated parmesan cheese to this recipe with only a pinch of sea salt.