Tomato Walnut Basil Pasta recipes

Name: Tomato Walnut Basil Pasta recipes
Ingredients: One 28oz can crushed tomatoes (I used Utopia organic, salted); 2 tbsp extra virgin olive oil; 1/2 medium onion, diced (yield: 1 cup diced); 3 garlic cloves, minced; 1 tsp dried oregano; Pinch red pepper flakes; 1/2 cup packed fresh basil leaves, stems removed &chopped finely; 1 tsp kosher salt, or to taste; ground black pepper; 1/2 cup nutritional yeast; 2 large handfuls spinach, roughly chopped; 1/2-3/4 cup walnuts, roughly chopped; pasta