Salmon, chicken, beef, pork, hamburger, cheese, just about any vegetable the onion is very versatile it grills, fry's, saute's can be pressure cooked and steamed. It really is one of the most versatile ingredients and adds flavor to gravies etc.
Salmon can be micro waved with chopped onion crushed garlic a little olive oil and herbs such as Tarragon, Oregano, Basil, Rosemary, Thyme just choose a herb and try it it takes about a Minute or so for a single portion.
Once you use your imagination the possibilities are almost endless. Do not fixate on a single recipe and treat them as guides not precise instructions many ingredients can be substituted or varied to change the nature of a dish. Try mixing things up a bit you will probably be pleasantly surprised. Cooking is like painting it is a science and art in one though.