Avocado Basil Pesto

1 cup packed fresh basil leaves

• 
  
• 1/2 large ripe avocado
• 2 cloves garlic
• 4 tablespoons raw cashews
• 1 tablespoon fresh lemon juice
• 3 tablespoons water, plus more if necessary
• 1/4 cup nutritional yeast
• sea salt, to taste

Serve on toast or pasta or raw collard greens. Top with sliced tomato.