Another solution is to use WooCommerce shortcodes.
You can insert shortcodes as follows:
<?php echo do_shortcode( '[fblike]' ); ?>
So for this application, you can insert:
[product_category category="foo"]
into your template file (preferably in your child theme).
See http://docs.woothemes.com/document/woocommerce-shortcodes/ and http://docs.woothemes.com/document/shortcodes/
