Tips on Customizing Boo Recipes

How to Hide Boo Recipes Admin Menus

function plt_hide_boo_recipes_menus() {
	//Hide "Recipes".
	remove_menu_page('edit.php?post_type=boo_recipe');
	//Hide "Recipes → All Recipes".
	remove_submenu_page('edit.php?post_type=boo_recipe', 'edit.php?post_type=boo_recipe');
	//Hide "Recipes → Add New Post".
	remove_submenu_page('edit.php?post_type=boo_recipe', 'post-new.php?post_type=boo_recipe');
	//Hide "Recipes → Recipe Categories".
	remove_submenu_page('edit.php?post_type=boo_recipe', 'edit-tags.php?taxonomy=recipe_category&post_type=boo_recipe');
	//Hide "Recipes → Skill Levels".
	remove_submenu_page('edit.php?post_type=boo_recipe', 'edit-tags.php?taxonomy=skill_level&post_type=boo_recipe');
	//Hide "Recipes → Recipe Tags".
	remove_submenu_page('edit.php?post_type=boo_recipe', 'edit-tags.php?taxonomy=recipe_tags&post_type=boo_recipe');
	//Hide "Recipes → Settings".
	remove_submenu_page('edit.php?post_type=boo_recipe', 'boorecipe-settings');
}

add_action('admin_menu', 'plt_hide_boo_recipes_menus', 100);

Where do I put this code?

How to Hide Boo Recipes Meta Boxes

function plt_hide_boo_recipes_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Recipe Schema Information" meta box.
	remove_meta_box('boorecipe-recipe-meta-primary', $screen->id, 'normal');
	//Hide the "Nutrition" meta box.
	remove_meta_box('boorecipe-recipe-meta-nutrition', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_boo_recipes_metaboxes', 20);