Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: heat oil in large skillet over low heat. add garlic and stir until soft but not browned, about 30 seconds. stir in tomatoes,thyme,bay leaf,salt and pepper; bring to boil. reduce heat to low and cook until tomatoes are very soft and sauce is thick, stirring occasionally, about 1 hour. discard bay leaf and puree sauce in processor or blender until smooth. return to saucepan and whisk in tomato paste; bring to boil. reduce heat to low and cook until sauce is very thick and reduced to 1 1/3 cups, stirring occasionally, about 10 minutes. add sugar if desired; adjust seasoning. (sauce can be prepared 1 day ahead, covered and refrigerated. reheat before using.).

Target recipe: in a medium saucepan, heat olive oil lightly brown onions, stirring occasionally. add chicken stock and bring to a simmer. add remaining ingredients and bring to a boil. cover saucepan and simmer for 30-45 minutes, stirring occasionally. pour mixture into food processor or blender and blend until smooth. use immediately or store in refrigerator.