Tips on Customizing Blossom Recipe Maker

How to Hide Blossom Recipe Maker Admin Menus

function plt_hide_blossom_recipe_maker_menus() {
	//Hide "Blossom Recipes".
	remove_menu_page('edit.php?post_type=blossom-recipe');
	//Hide "Blossom Recipes → All Recipes".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'edit.php?post_type=blossom-recipe');
	//Hide "Blossom Recipes → Add New Recipe".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'post-new.php?post_type=blossom-recipe');
	//Hide "Blossom Recipes → Categories".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'edit-tags.php?taxonomy=recipe-category&post_type=blossom-recipe');
	//Hide "Blossom Recipes → Cuisines".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'edit-tags.php?taxonomy=recipe-cuisine&post_type=blossom-recipe');
	//Hide "Blossom Recipes → Cooking Methods".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'edit-tags.php?taxonomy=recipe-cooking-method&post_type=blossom-recipe');
	//Hide "Blossom Recipes → Tags".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'edit-tags.php?taxonomy=recipe-tag&post_type=blossom-recipe');
	//Hide "Blossom Recipes → Settings".
	remove_submenu_page('edit.php?post_type=blossom-recipe', 'class-blossom-recipe-admin.php');
}

add_action('admin_menu', 'plt_hide_blossom_recipe_maker_menus', 11);

Where do I put this code?

How to Hide the "Recipe Details" Meta Box

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

	//Hide the "Recipe Details" meta box.
	remove_meta_box('blossom-recipe', $screen->id, 'normal');
}

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