10% cara amber, 20% pils, 70% dark munich. I think the last version that he really liked was something like 16-17 IBU noble hops. It was just a malt bomb to me.
I liked the one version I did with 25 IBU and if I were brewing it for myself would have hopped it more and increased the pils malt to lighten it up a bit but he wanted it heavy and malty so that’s what I did. We were trying to replicate a beer from his memory. Since we’re way off topic…I think there’s a good bit of it documented here. Brewing Doppel Bock