Lasagna Bolognese with olive

3 tablespoons extra virgin olive oil 3 tablespoons butter 1 cup onion , finely diced 1/3 cup carrot , finely diced 1/4 cup celery , finely diced 1 garlic[...]

1/2 lb ground beef 1/2 lb sweet Italian sausage, casings removed 1 (5 ounce) can mushroom pieces , drained 1 tablespoon olive oil 1 medium onion , chopped[...]

1 lb ground turkey 1 stalk celery 1 stalk carrot 1 large onion 2 cloves garlic olive oil 1/2 cup white wine 1 can tomato paste salt & pepper 1/3 cup fresh[...]