Royal Castle
... that Royal Castle was a Miami, Florida-based hamburger restaurant chain known for its miniature hamburgers, which were similar to White Castle hamburgers?
... that <b id="mwBYA"><a href="./Royal_Castle_(restaurant_chain)" id="mwBYE" rel="mw:WikiLink" title="Royal Castle (restaurant chain)">Royal Castle</a></b> was a Miami, Florida-based hamburger <a class="mw-redirect" href="./Restaurant_chains" id="mwBYI" rel="mw:WikiLink" title="Restaurant chains">restaurant chain</a> known for its miniature hamburgers, which were similar to <a href="./White_Castle_(restaurant)" id="mwBYM" rel="mw:WikiLink" title="White Castle (restaurant)">White Castle</a> hamburgers?