fix (something) for breakfast/lunch/dinner/etc.
To make or prepare some dish for a particular meal. I'm fixing spaghetti and meatballs for dinner tonight. We better get out of here if Aunt Louise is fixing something for supper—you know she can't cook.
fix something for (a meal)
to prepare something for a specific meal. I will fix some chili for lunch. Will you fix something good for dinner tonight?