So, can food be taken through TSA? The answer is yes, but with some exceptions. Solid foods like sandwiches, fruits, and granola bars are generally okay, but liquids and gels have to follow the 3-1-1 rule - that's 3 ounces or less, in a 1-quart bag, with 1 bag per passenger.
Imagine you're packing a picnic lunch for the plane - you can bring a turkey sandwich, carrot sticks, and a piece of fruit, but leave the juicy yogurt or spaghetti sauce at home. It's all about being mindful of the consistencies and following the rules to avoid any hassle at security.