Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: heat oil in a large wok over medium high heat and brown ribs-around 10 minutes. add the soy sauce and continue browning. add the vinegar and bring to a boil, reduce heat and simmer for 20 minutes. add brown sugar and simmer 10 minutes more. you might need a bit more vinegar at this point. you want the sauce thick but fluid. add the peppers and onions and cook for 5 minutes. add the ketchup and stir. taste and adjust the vinegar/brown sugar ratio. if needed add cornstarch to thicken.

Target recipe: make sauce; in a small bowl, stir together all sauce ingredients until cornstarch has dissolved. set aside. in wok, heat oil over medium heat. add onion and cook, stirring often until golden, about 8 minutes. add bell peppers and asparagus; increase heat to medium-high and stir-fry for 5 minutes. add tomatoes and pineapple chunks and stir-fry for another 5 minutes. stir in tofu and reserved sauce and cook, stirring, until mixture has thickened slightly, about 2-3 minutes. taste and adjust sweet/sour balance to your liking with additional honey, vinegar and/or soy sauce. serve at once.