-(void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{
//get string from searchBar textfield
NSString* searched = self.searchBar.text;

//format the API call to search for the "searched" item (%@ after 'search/')
NSString* formattedURL = [NSString stringWithFormat:@"https://api.nutritionix.com/v1_1/search/%@?results=0:100&fields=item_name,nf_total_fat,nf_protein,nf_total_carbohydrate&appId=f35a80a7&appKey=9263d4b1c216becb04681b1cd04d1815",searched];

dispatch_async(dispatch_get_main_queue(), ^{
    [[[NSURLSession sharedSession] dataTaskWithURL:[NSURL URLWithString:formattedURL] completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {

        NSDictionary* foodsFoundDict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];

        //array holds an array of all the foods found from the API call
        NSArray* array;
        array = [foodsFoundDict valueForKey:@"hits"];

        //since the info needed is inside the dictionary @"fields" of each array element, loop through array and add each dictionary to the global searchedFoodsArray
        for(NSDictionary* dict in array){
            [self.searchedFoodsArray addObject:dict[@"fields"]];
        }
    }]resume];
    [self.tableView reloadData];

});