Soak cashews in water for minimum 4 hours, or overnight. OR, use boiling water and soak for 30 minutes.
Heat heavy skillet over medium-low heat. Swirl in olive oil and grate garlic over pan. Stir constantly for 30 seconds, until garlic becomes fragrant.
Add tomato paste, salt, pepper and italian seasoning and continue to stir. 30 seconds more.
Stir in broth. Mix arrowroot with 2 tablespoon water and then add to the mixture. allow to cook for 2-3 minutes, stirring occasionally, as the liquid reduces and sauce begins to thicken.
Meanwhile, drain cashews, and add to blender along with water, miso paste and nutritional yeast. Process until smooth and creamy.
Stir in chickpeas and sun dried tomatoes and cook for 5 minutes, stirring.
Turn off heat and stir in cashew mixture. Top with fresh herbs like basil, oregano, sage or parsley.
Notes
Store leftovers in an airtight container in the fridge for up to a week. Reheat gently on the stovetop until heated through.