get_recipe_page :: (req: Request) -> string {
    id := table_find_pointer(*req.query, "id");
    if !id then return "<h1>Error: invalid recipe id</h1>";

    curRecipe : Recipe;

    for state.recipes if it.id == id.* curRecipe = it; 
    if curRecipe.id == "" then return "<h1>Can't find recipe!</h1>";

    builder : String_Builder;
    add_navbar(*builder);

    print_to_builder(*builder, recipeHero, curRecipe.image);
    
    return builder_to_string(*builder);
}

recipeHero : string = #string DONE
<div class="recipe-hero">
    <img id="parallax-img" src="%" alt="Steak">
</div>
DONE