How to make whole wheat Spaghetti with Organic Tomato Sauce. I made this video so that I could learn how to cook Spaghetti because I have never learned befor… Question by jeter_73: Have been looking at Marinara canning recipes non I have found call for lemon juice at the end. Most tomato recipes for canning do. Does anyone know why the difference? Best answer: Answer by TenTenI’m sorry, I can’t understand your question at all. What do you think? Answer below!