Add the diced veggies and sauté until tender and fragrant, about 5 minutes.
Add the tomato paste and allow it to cook into the meat for several minutes. Let the tomato paste brown slightly to enhance its flavor.
1 tablespoon tomato paste
Add the milk to the meat and vegetable mixture. Simmer the milk over medium heat until the milk has completely evaporated.
1 cup whole milk
Add the wine and bring the sauce to a boil. Simmer to boil off the alcohol.
1 cup white wine
Add the tomato sauce, broth, and spices.
2 - 28 ounce cans canned San Marzano tomatoes, 1 cup chicken broth, 1 small bunch fresh basil, 1 parmesan cheese rind
Bring the sauce to a boil, then reduce the temperature to a simmer. Simmer uncovered for 2 to 4 hours. You may need to add a little water if the sauce begins to reduce to much.
Instant Pot Bolognese
Set the Instant Pot on sauté. Follow the instruction for browning the meat and sautéing the vegetables.
Add the milk and reduce it.
Add the remainder of the ingredients and seal the Instant Pot.
Pressure cook on manual for 20 minutes.
Allow the pressure to release naturally, serve with your favorite pasta.