You can feed her bland diet as it is easier to prepare and less time consuming. All you need to do is add 1 ½ cups boiled white rice and ¾ lb (400 grams) extra-lean ground chicken. You can’t use this recipe repeatedly but this one can be helpful in case you’re in hurry. You can visit here to learn everything related to dog food:
https://fastesaletter.com/dog-diet-things-to-know-about-feeding-your-pet/

You can use traditional methods like putting cardamom or fennel seeds in his mouth. This is a temporary solution. I hope this will be helpful. Lemon or vinegar can also be helpful.