Clearly most purchased in my house is the carrot. I’m never without one or two open bags of baby carrots in the fridge door. Every time I open the door I snack on one before taking anything else out.
Although my favorite veggie is fresh asparagus.
Cucumbers. We buy copious amounts of Cucs.
Onions. I put onions in damn-near everything. Then probably potatoes.
red bell peppers. I buy six at time from Sam’s club and eat them everyday, sometimes they make it into breakfast, lunch, and dinner. Actually, Sam’s used to sell a pack of 6 red bell peppers, but then they switched to multicolored, w/ only 2 red and the other four yellow and orange, which are not as yummy but I make do with.
I used to love green bell peppers, but red ruined me for green.
Hmmmm, good question. I have certain staples I like keeping on hand all teh time, carrots, potatoes, onions, garlic, celery - for main dish type stuff like soups and stews. We like to keep various greens [mesclun, lettuce, spinach] radishes, alfalfa and bean sprouts and julienne bamboo shoots [froma chinese grocery] on hand for salads.
We will buy asparagus, brussels sprouts, red or green cabbage, artichokes and yellow squash as mrAru and I particularly love those when we can get them fresh, and keep pretty much anything we can find frozen except bell peppers, eggplant, okra, zucchini and mushrooms in any form.
Ya know, for raving carnivores, we actually eat a hell of a lot of veggies =)
Potatoes
Pickles count? Four jars at all times. Normal dills, sandwich sliced, hot and spicy, and baby pickles for snacking.
We eat potatoes most, but lately we’ve had a ton from my future mother-in-law’s garden so we haven’t had to buy them
Next on the list is green beans. They are the best for snacking, steaming, and mixing in with other things.
Onions, but I don’t normally think of them as vegetables, but seasoning. Then baby carrots, broccoli, red peppers and green beans. I use garlic a lot, but by weight it’s not going to make the list. Frozen, I always have corn, peas, broccoli again, “country mix” (corn, peas, carrots, green beans), “Normandy blend” (carrots, broccoli, cauliflower) and often “Fiesta Mix” (red and green bell peppers, corn and pinto beans? Something else I’m forgetting right now.) My husband hates frozen veg, but they’re what I grew up on, so I love them. But I try to alternate with fresh so he doesn’t complain too much.
And I have salad greens growing in my Aerogarden, does that count? 'Though they’re going to be replaced with strawberries soon! 
Potatoes, probably, followed closely by sweet onions, peppers (all colours but green), carrots, broccoli, cauliflower, broccoflower, mushrooms, and yams. Oh and for greens usually romaine, red lettuce, and spinach. There’s actually few veggies I dislike and I’ll end up eating some of everything throughout the year. I had some lovely beets last week.
On a veggie note, I saw orange cauliflower today! First time I’ve seen it. Now I’ll have to figure out who’s selling it and get some.
Broccoli is my favourite. I love steamed broccoli and eat it at least 5 times a week. In the summertime I go through tomatoes and cucumbers like crazy. Most other vegetables I’m more moderate about and rotate according to mood and season. I manage to buy a lot of red onions. I can stick practically any raw vegetable into a bowl with red onion and consider it a salad.
My favorites are two of the most despised. Brussel Sprouts and Lima Beans.Especially the sprouts …damn I love those things.
Another broccoli eater–mostly in the form of Mann’s “broccoli cole slaw”. I use it along with/instead of lettuce in salads and wraps.
Zucchini. I’m solving that problem by growing my own this year though. Also onions, but I have the (mis)fortune of living next to an onion farm. After that is probably broccoli (which I will not be growing).
Potatoes.
Shout out for cucumbers!
While I like a lot of veggies, and I wouldn’t say they’re my favorite, I eat a LOT of mushrooms. Raw, white cap mushrooms-I probably go through two containers a week. I like them raw, dipped in hummus. Wonderful, tasty snack.
They’re also good with honey mustard. I also love tomatos, onions, green peas, chick peas, green beans, and spinach.
As well as potatos, but who DOESN’T eat potatos? (Yes, I know there are some of you out there!)
Onions, although I think of them as “how you start food” as opposed to vegetables, per se. I buy a ton of red peppers, some potatoes. Garlic, if that’s a vegetable. Other stuff as needed.
One thing I almost never buy is tomatoes. Either I use canned ones, or when they’re in season I use garden ones. Rarely grocery store tomatoes, and when i use them I use the cherry ones.
Yep, we hardly ever eat them. 
Mostly 'cause I only really like them if they have a lot of fat and salt in some form: baked with butter *and *sour cream and salt and fresh ground black pepper; mashed with butter and cream; roasted with onion soup mix; au gratin, etc. but also because those things are sort of a pain in the ass to make along with everything else for dinner. Once in a while we splurge with the potato, but most of the time our starch is whole grain noodles, rice or couscous.
Red peppers and tomatoes here. Fresh red pepper slices is the one side-dish veggie my family can agree on, so we eat those a lot. I sure wish they were cheaper. I might have to join a warehouse club place just for peppers…I’d love to hear how much your mulitcolor pack is if you come back, carlotta.