Step 3
Turn down the heat to medium-low. You should have about a tablespoon of rendered fat in the pan, if you have significantly more or less, dump some out or add some olive oil. Add the onions, carrot, and garlic, and saute until the onions are soft and the mixture is about 1/3 of its original volume. Depending on how small you dice your onions, this should take anywhere from 10 to 15 minutes. This is where your sauce gets a lot of its flavor, so don't skimp on time.