Strong's recipe looks good. I tried a Blonde Doppelbock once from Capital and said to myself, "I can brew this".
My recipe uses all Briess, local to me, 45% Synergy Pils, 25% Vienna, 20% Bonlander Munich, and 10% Aromatic. I use all Hallertau hops. Yeast is your choice. I brew it as an ale so I...