Heat about 2-3 cups of hot water until bubbling. Pour in 1 cup of cashews. Wait at least 10 minutes to soak. You could also let cashews soak overnight.
Add water, nutritional yeast, lemon juice, onion powder, garlic and salt into high powered blender.
Drain cashews and add into blender with all other ingredients.
Blend on high until combined.
Store in air tight container in fridge for up to a week.