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
Freshly ground black pepper, to taste
1/2 cup nutritional yeast
2 large handfuls spinach, roughly chopped
1/2-3/4 cup walnuts, roughly chopped
Pasta of your choice (I used Kamut spaghetti)