Our son is 7 years old and is 4 feet tall (50th percentile) and weighs 71 pounds (97th percentile).
We don't buy cereal, and mine only likes select veggies (broccoli, zucchini and cooked carrot in small amounts)- none raw. We buy fruit in spurts (when in the store, he gets to choose what he wants to try) and he likes avocado like I do, so that's a frequent item here.
We keep LC wraps in the house, but he only gets one 'sandwich' a day on an LC wrap (don't eat them, but DH and DS love them), and the sandwiches are sometimes egg, ham/egg, bacon/egg, sausage/egg, "pizza" with pepperoni, a squirt of Pizza squeeze and ripped up string cheese.
I have premeasured baggies of pepperoni, cooked sausage patties/links, bacon, boiled ham, Trader Joe's meat sticks, hard boiled eggs (which he'll eat plain without anything on them), cheese slices, cheese sticks, string cheese, almonds, pecans, walnuts, and pumpkin seeds available in copious quantities for snacking and sometimes he just likes a combination of those as a meal.
Almond butter - which he loves by the half spoonful as a treat. He likes the almond butter more than peanut butter, so it has replaced our peanut butter for all intents and purposes. We don't buy sweetened almond or peanut butter - just the "natural" varieties.

Cutting back on his carbs has made his cravings for things like cookies to go way down. In fact, we were supposed to do some peanut butter cookies today, but he waved me off saying he wasn't really interested in eating them! I have PopTarts on the shelf, but he hasn't wanted them in weeks.

He drinks whole milk or water. I keep Ovaltine on hand for his occasional want of chocolate milk. He doesn't really ask for it often.

He's a kid though, so he gets his occasional blueberry muffin or other carbalicious 'treat' (which I keep frozen since he just doesn't ask for them so often). He isn't held back and can grab things on his own. He will tell me when he's hungry and I don't do a set schedule for meal times. Mostly, I'm trying to educate and have him tell me what he's hungry for. Sometimes it means something sweet, sometimes he wants "real food" like fried chicken or chicken livers (which I fry after dipping in egg and almond meal/spices) and let him eat until he feels satisfied.
I've done education with him that wheat isn't really our friend and while he's been getting dietary education from some of his school stuff, I've made it a point to correct the misconceptions and direct him more towards low grain carb, more vegetables, more protein and fat for better health. I think he's getting it some. I don't talk about calories and stuff *at all* - only health. He frequently talks about wanting to be 'healthy and strong,' so this approach has been working for him.

I guess it amounts to: If I don't have it in the house, and he's hungry enough, he'll happily eat what is on hand. We have a very different situation where TV is very limited and he doesn't go to school (we home school), so his influences that way are limited - the day-to-day peer pressure is non-existent to eat junkfoods.