Lasagna Bolognese without sausage butter

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[...]

2 tablespoons butter 6 slices bacon , diced 1/4 lb ham , diced 1/2 lb ground veal or 1/2 lb ground pork (or 1/4 pound of each) 1 lb ground beef 1 1/2 cups[...]

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[...]