"fresh salad" is correct and usable in written English.
You can use it when you want to refer to a salad made with fresh ingredients. For example: "I had a delicious fresh salad for lunch today."
… The meal — grilled chicken, fresh salad, chocolate cake — was yummy, and the drinks were, well, ample.
I brought fresh salad greens, and lots of our vegetables from our freezer and root cellar.
Do not overindulge immediately in fresh salad, fruits or high fiber foods.
Things cheered up immensely with an unexpected plate of fresh salad delivered to keep us going.
Most entrees come with a small but very fresh salad of crisp romaine, tomatoes and cucumbers in a light vinaigrette.
The trade in vegetables grown in the region meets UK demand for all year-round fresh salad.
Instead of concentrating on medieval war crimes, I flashed back to the cafe's blackboard, which reminded me that there was a fresh salad Niçoise in the offing.
After spending three days there on a vigorous diet of meats, starches and seafood, my stomach begged for a fresh salad.
During her trip, Ms. Sheehan sampled ice cream, empanadas filled with fig jam, plantain chips, brightly colored sodas and candy, and even a fresh salad.
When the air turned chilly, we headed back to settle in and make dinner (lentil soup, bear meat — surprise! — and fresh salad from the garden).
Just as McDonald's learned to serve fresh salad, they say, so too will Internet services gravitate toward offering what customers need rather than what they want.
