In a large stockpot, sauté onion in oil until translucent (without any color). Once onions are soft, add in garlic and crushed red pepper. Add tomato paste and incorporate it well. Deglaze with white ...
Pour over the oil. Cook, stirring occasionally, for about 1 hour. Strain through a fine sieve and discard solids. 5. To make marinara sauce, heat the oil and butter in a large saucepan or stock pot, ...