01 -
Warm the olive oil in a large non-stick pan over medium heat until it shimmers. Add your grated onion and minced garlic, stirring until they become fragrant and translucent - about 2-3 minutes. Be careful not to brown the garlic as it can turn bitter.
02 -
Pour in the canned tomatoes with their juices and bring everything to a gentle boil. Once bubbling, lower the heat and let the sauce simmer uncovered for about 30 minutes, allowing the flavors to meld and the sauce to thicken slightly.
03 -
Sprinkle in the salt, pepper, sugar, and Italian seasoning, then stir for another minute or two to incorporate. Using an immersion blender (or transfer to a regular blender), purée the sauce until velvety smooth.
04 -
Meanwhile, if making pasta, cook it according to the package directions until al dente. Before draining, reserve 1/4 cup of the starchy pasta water.
05 -
Add the drained pasta to the sauce along with the reserved pasta water. Simmer together for about 5 minutes, allowing the pasta to absorb some of the sauce and flavors. The starchy water helps the sauce cling beautifully to each pasta piece.