Help With Sweet Potato Ale Recipe

Trying a sweet potato ale this weekend. How does this look?

malt & fermentables
% LB OZ Malt or Fermentable ppg °L
23% 4 0 Pale Malt, 6 Row, US info 35 2 ~
23% 4 0 Marris Otter (Crisp) info 38 4 ~
23% 4 0 Sweet Potato, Roasted info 10 17 ~
6% 1 0 Caramel/Crystal Malt - 20L info 35 20 ~
6% 1 0 Biscuit Malt info 36 23 ~
6% 1 0 Vienna Malt info 36 3 ~
6% 1 0 Rice Hulls info 0 0 ~
5% 0 14 Honey Malt info 37 25 ~
3% 0 8 Cara-Pils/Dextrine info 33 2 ~
17 6

Batch size: 5.0 gallons Original Gravity
1.076 / 18.4° Plato
(1.068 to 1.079)
Final Gravity
1.016 / 4.1° Plato
(1.014 to 1.017)
Color
16° SRM / 32° EBC
(Light Brown to Medium Brown)
Mash Efficiency
75%
hops
use time oz variety form aa
boil 60 mins 0.75 East Kent Goldings info leaf 5.0
boil 5 mins 0.25 East Kent Goldings info leaf 5.0

Boil: 6.0 avg gallons for 90 minutes Bitterness
12.3 IBU / 4 HBU
ƒ: Tinseth
BU:GU
0.16

Cheers!