I use corn in mine. Cut it in half this year and upped the maltiness. It's great. Consider using the WL940 yeast. It's killer!
Pilsner (1.5 SRM) 49.9 %
Vienna Malt (3.5 SRM) 24.3 %
Munich I (Ger) (7.0 SRM) 10.8 %
Corn, Flaked (1.3 SRM) 5.4 %
Aromatic (19.0 SRM) 4.0 %
Victory Malt (25.0 SRM) 4.0 %
Acidulated Malt (1.8 SRM) 1.3 %
Black Malt, De-Bittered (550.0 SRM) 0.2 %
.375 oz Warrior [15.30 %] - Boil 60.0 min 19.7 IBUs
.50 oz Crystal [6.00 %] - Boil 15.0 min 5.1 IBUs
.50 oz Crystal [4.20 %] - Boil 0.0 min 0.0 IBUs
1.0 pkg Mexican Lager (White Labs #WLP940)