dump cookies that are stored in a NSHTTPCookie storage instance. typically you use `[[NSHTTPCookieStorage sharedHTTPCookieStorage] dump];` All credits go to bladnman @ http://stackoverflow.com/questions/771498/where-are-an-uiwebviews-cookies-stored

NSHTTPCookieStorage+dump.h

@interface NSHTTPCookieStorage (dump)

- (void) dump;
- (void) dumpForURL:(NSURL*)url;
- (void) dumpWithMessage:(NSString *)msgOrNil forURL:(NSURL*)url;

@end

NSHTTPCookieStorage+dump.m

#import "NSHTTPCookieStorage+dump.h"

@implementation NSHTTPCookieStorage (dump)

- (void) dump {
    [self dumpWithMessage:nil forURL:nil];
}

- (void) dumpForURL:(NSURL*)url {
    [self dumpWithMessage:nil forURL:url];
}

- (void) dumpWithMessage:(NSString *)msgOrNil forURL:(NSURL*)url {
    if(url) msgOrNil = msgOrNil ? [msgOrNil stringByAppendingFormat:@" (%@)", url] : url.description;
    
    NSMutableString *cookieDescs    = [[[NSMutableString alloc] init] autorelease];
    NSHTTPCookie *cookie;
    NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];
    NSArray *cookies = url ? [cookieJar cookiesForURL:url] : [cookieJar cookies];
    for (cookie in cookies) {
        [cookieDescs appendString:[self cookieDescription:cookie]];
    }
    NSLog(@"------ [Cookie Dump: %@] ---------\n%@", msgOrNil, cookieDescs);
    NSLog(@"----------------------------------");
}

- (NSString *) cookieDescription:(NSHTTPCookie *)cookie {
    
    NSMutableString *cDesc      = [[[NSMutableString alloc] init] autorelease];
    [cDesc appendString:@"[NSHTTPCookie]\n"];
    [cDesc appendFormat:@"  name            = %@\n",            [[cookie name] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
    [cDesc appendFormat:@"  value           = %@\n",            [[cookie value] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
    [cDesc appendFormat:@"  domain          = %@\n",            [cookie domain]];
    [cDesc appendFormat:@"  path            = %@\n",            [cookie path]];
    [cDesc appendFormat:@"  expiresDate     = %@\n",            [cookie expiresDate]];
    [cDesc appendFormat:@"  sessionOnly     = %d\n",            [cookie isSessionOnly]];
    [cDesc appendFormat:@"  secure          = %d\n",            [cookie isSecure]];
    [cDesc appendFormat:@"  comment         = %@\n",            [cookie comment]];
    [cDesc appendFormat:@"  commentURL      = %@\n",            [cookie commentURL]];
    [cDesc appendFormat:@"  version         = %lu\n",            (unsigned long)[cookie version]];
    
    //  [cDesc appendFormat:@"  portList        = %@\n",            [cookie portList]];
    //  [cDesc appendFormat:@"  properties      = %@\n",            [cookie properties]];
    
    return cDesc;
}

@end