It’s not that they’re bad. Why don’t In-N-Out fries hold up to the likes of McDonald’s? The In-N-Out French Fry Difference: How They’re CookedIn-N-Out cuts whole potatoes in the store and fries them right away. Why In-N-Out Fries Get Soft FastSkipping the soak/blanch + double-fry leaves more surface starch and less structure, so the fries soften as they cool. Pro Tip: How to Get Better Fries at In-N-OutAsk for well-done or even extra well-done.