I worked at a Wendy's when I was 16...back then we used to cut up all the burger toppings (onions, lettuce, tomatoes, etc) fresh in the morning and we used to do the square burger patties right there in the restaurant from bulk ground beef. About the only thing pre-sliced back then were the pickles. I can even remember flattening out and breading the fresh chicken breasts for the chicken sandwiches.
These days, the patties come in pre-shaped (but supposedly never frozen) and I wouldn't be surprised to learn if all the toppings are pre-sliced before they arrive at the restaurant. Doesn't sound too "fresh" to me...
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