Custom Fields

I am not able to get the custom fields to work am I doing something wrong? This is how I have them formatted, The instructions are not very good on this please let me know thank you   <p class="p1">Instructions =&gt; %%item_instructions%%, <p class="p1">ItemAuthor =&gt; %%item_author%%, <p class="p1">itemcontentplain =&gt; %%item_content_plain_text%%, <p class="p1">itemdescription =&gt; %%item_description%%, <p class="p1">itemurl =&gt; %%item_url%%, <p class="p1">itemtitle =&gt; %item_title%%, <p class="p1">recipedescription =&gt; %%recipe_description%%, <p class="p1">Iitemimageurl =&gt; %item_image_url%%, <p class="p1">itemcalories =&gt; %%item_calories%, <p class="p1">item_ingredients =&gt; %item_ingredients%%, <p class="p1">tem_tags =&gt; %, %%item_tags%%, <p class="p1">item_cat =&gt; %%item_cat%, <p class="p1">item_cautions =&gt; %%item_cautions%%, <p class="p1">item_totalsodium =&gt; %%item_totalsodium%%, <p class="p1">item_totalfat =&gt; %item_totalfat%%,