Pantry checklist?

Extra-virgin olive oil - yep, love this stuff
Vinegar - I have rice, balsamic (traditional and white), and my fave is apple cider vinegar (get Bragg's brand for alkalizing anti inflammatory goodness)
Canned tuna - nope, I'm veg, although it's a cheap source of omega 3's so rock on if you're not veg
Canned tomatoes - yes, easiest addin to soups/chilis/casseroles, and makes a cheap pasta sauce
Oatmeal - yep, regular for hubs, and gluten free for me
Whole-wheat pasta - nope, this is the one thing we don't do. Before I had celiac, we continued to use white pasta, but only eat it about once a week. WW pasta doesn't taste as good.
Brown rice - yep - look for sprouted grain (in a giant bag at Costco) for more nutrition than regular
Whole-wheat flour - no, as I'm now gf, but I used to have it in abundance as I baked our own bread prior to crappy celiacs
Barley - prior to celiac disease, yes... I might buy a packet every now and then if I feel like making soup for the hubs
Quinoa - omg yes - I cook quinoa at least once a week, enough for 2 meals at a time
Lentils - yes... a can of lentils with pasta sauce is a cheap, easy source of fibre, iron and protein - I use lentils anywhere an Omni would use ground beef
Dried beans - tbh I usually do canned, but I do have some dried beans to cook on quiet weekend projects
Nuts - yes, we have raw almonds/cashews/sesame seeds/pine nuts/walnuts/sunflower seeds/pumpkin seeds on hand at all times, very healthy snack and ups the nutrition in salads
Peanut butter - yes - it goes very nicely on toast and gluten free cookies

Hope that helps!

Extra-virgin olive oil - yes
Vinegar - yes
Canned tuna - yes, but haven't eaten lately
Canned tomatoes - no, fresh ones though
Oatmeal - yes, but it's for my husband. I don't like oatmeal
Whole-wheat pasta - yes
Brown rice - yes
Whole-wheat flour - no
Barley - no
Quinoa - yes
Lentils - no
Dried beans - no. I'm not a fan of beans
Nuts - yes
Peanut butter - yes, but it's for my husband. I hate PB

That list really IS my pantry. I work a ton and it can be hard to keep up with cooking my own food. Keeping a variety of staples on hand really helps! I can throw together a quick pasta dish with whole wheat penne, canned tomatoes, olive oil, garlic and a vegetable rather than running across the street for takeout (I sometimes curse that there are at least 20+ dining options within a quarter mile walk from my house).