functions.php

<?php

/**
 * Lamb Cuts
 *
 */
function ea_recipe_lamb_cuts() {

	$cuts = get_the_terms( get_the_ID(), 'lamb_cut' );
	if( empty( $cuts ) || is_wp_error( $cuts ) )
		return;

	$classes = wp_list_pluck( $cuts, 'slug' );
	$classes[] = 'lamb-cuts';

	echo '<span class="' . join( ' ', $classes ) . '">' . ea_icon( 'lamb' ) . '</span>';
}
add_action( 'cookbook_recipe_top', 'ea_recipe_lamb_cuts' );

/**
 * Display Icon 
 *
 */
function ea_icon( $slug = '' ) {
	$icon_path = get_template_directory() . '/assets/icons/' . $slug . '.svg';
	if( file_exists( $icon_path ) )
		return file_get_contents( $icon_path );
}