I'm a lacto-vegetarian allergic to tomatoes. do you know of any other alternative sauces I could use?

I realized that every time I guzzle tomatoes, my mouth hurts really badly and my skin have broken out. I've been intake tomatoes all my life span, but never figured it out until today that I'm probably allergic to them. Do you know of any alternative sauces for approaching pizza and lasagna? Actually, I prefer to use garlic oil and Italian herb on my pizzas in lieu of the usual pizza sauce. Lasagne in need tomato sauce though, would be hard to verbs off. I suppose you could substitute a white sauce, close to a Bechamel sauce, instead of the tomatos. The Italians use Bechamel instead of all the usual cheese anyway, and you could a short time ago saute veggies and meat to mix in next to it. I'm not sure you are truly allergic to tomatos, though. A food allergy usually causes tingles around the mouth, and a rash- but not pimples. You might do better to enjoy yourself tested for it. It also may be your mouth problems are due to the acidity of tomatos, to some extent than the actual tomato itself. Long cooking usually will reduce that problem, as will a pinch of sugar surrounded by the sauce. You may not do well beside raw tomatos, but you shouldn't be have problems with stuff similar to catsup and tomato sauce that's cooked for a while.
You could try a pesto sauce or a roasted red pepper sauce.