Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], 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.

Target recipe: makes 3 cups, enough for 1 pound of pasta. heat butter in medium saucepan over medium heat until melted. add onion, oregano, and ½ teaspoon salt; cook, stirring occasionally, until liquid has evaporated and onion is golden brown, about 5 minutes. add garlic and cook until fragrant, about 30 seconds. stir in tomatoes and sugar; increase heat to high and bring to simmer. lower heat to medium-low and simmer until thickened slightly, about 10 minutes. off heat, stir in basil and oil; season with salt and pepper. serve.