1. Cook the spaghetti according to the package instructions. Drain and set aside.
2. In a blender, combine the soaked cashews, almond milk, nutritional yeast, olive oil, garlic powder, onion powder, salt, black pepper, and lemon juice. Blend until smooth.
3. In a large frying pan, heat a bit of olive oil over medium heat. Add the frozen peas and cook until heated through.
4. Add the cooked spaghetti to the frying pan with the peas. Pour the cashew sauce over the top and toss to combine. Cook for a few minutes until everything is heated through.
5. Serve immediately, garnished with extra black pepper if desired.