It could be a fried slice of cauliflower with bacon and a fried egg on top. Or gratin on any mix of broccoli, zucchini, meat, cheese, cream, mayonnaise, other low-carb vegetables and herbs.
There are also some kelpnoodles? that we eat with a sauce from crème fraiche, tuna and lemonjuice.
Or just a big green sallad with some meat.