Italian Tomato Meat Sauce
["olive oil", "onion", "1/2 lb. beef chuck", "1/2 lb. pork shoulder", "7 c. tomatoes, sieved", "1 Tbsp. salt", "1 bay leaf", "3/4 c. tomato paste"]
["Set out a large saucepan with tight fitting lid.", "Heat in saucepan 1/4 cup olive oil.", "Add and cook until lightly browned 1/2 cup chopped onion.", "Add and brown, turning occasionally, beef chuck and pork shoulder.", "Add slowly a mixture of 7 cups tomatoes, sieved, 1 tablespoon salt and bay leaf.", "Cover and simmer over low heat about 2 1/2 hours.", "Add tomato paste.", "Simmer over low heat, stirring occasionally, uncovered about 2 hours more, until thickened.", "Before serving remove bay leaf and meat."]
["olive oil", "onion", "beef chuck", "pork shoulder", "tomatoes", "salt", "bay leaf", "tomato paste"]