\begin{tikzpicture}[node distance = 3cm, auto]
  \node [start] (init) {Place water tray and stone in oven};
  \node [block, right of=init] (heat_oven) {Heat oven to  \qty{230}{\degreeCelsius} (\qty{446}{\degF}) for 30~minutes};
  \node [block, right of=heat_oven] (score_your_dough) {Score your dough};
  \node [block, right of=score_your_dough] (spritz) {Spritz your dough with water};
  \node [block, right of=spritz] (load_tray) {Place non-preheated inverted tray in oven};
  \node [block, below of=load_tray, node distance=4cm] (load_doughs) {Load doughs into oven};
  \node [block, left of=load_doughs, node distance=3cm] (load_water) {Place water in heated water tray};
  \node [block, left of=load_water, node distance=3cm] (bake) {Bake 30~minutes or until core temperature is  \qty{92}{\degreeCelsius} (\qty{197}{\degF})};
  \node [block, left of=bake, node distance=3cm] (remove_steam) {Remove steam source and top tray};
  \node [success, left of=remove_steam, node distance=3cm] (finish) {Bake at least another 10~minutes or until crust has your desired color};
  \path [line] (init) -- (heat_oven);
  \path [line] (heat_oven) -- (score_your_dough);
  \path [line] (score_your_dough) -- (spritz);
  \path [line] (spritz) -- (load_tray);
  \path [line] (load_tray) -- (load_doughs);
  \path [line] (load_doughs) -- (load_water);
  \path [line] (load_water) -- (bake);
  \path [line] (bake) -- (remove_steam);
  \path [line] (remove_steam) -- (finish);
\end{tikzpicture}