Peanut butter chocolate fudge cake

Icing sugar, sugar, peanut butter (peanuts, sugar, dextrose/sucrose. hydrogenated vegetable oils [soybean, cottonseed and rapeseed oils], salt), milk, bleached enriched wheat flour (wheat flour, niacin, benzoyl peroxide, reduced iron, thiamine mononitrate, riboflavin, folic acid), vegetable shortening (canola oil, palm oil, modified palm and palm kernel oils, monoglycerides, polysorbate 60), water, margarine(non-hydrogenated vegetable oil (soya oil) modified palm oil water, salt whey powder [milk], soy lecithin, monoglycerides, natural flavor, annatto extract color, vitamin a palmitate, vitamin d3), liquid whole eggs, cocoa powder (processed with alkali), glucose syrup, whey powder (milk), rice starch, citrus fibre, canola and soya oil, gum arabic, cellulose gum, xanthan gum, natural and artificial flavors, canola oil, artificial flavor, baking powder (sodium acid pyrophosphate, sodium bicarbonate, corn starch, monocalcium phosphate, calcium sulfate), salt, nonfat skim milk powder, baking soda, chocolate drizzle (sugar, palm kernel oil, nonfat milk powder, cocoa, palm oil, soy lecithin [an emulsifier], vanilla salt) topping: reese's pieces (sugar, peanuts, partially hydrogenated vegetable oil [palm kernel, soybean], corn syrup, dextrose, artificial colors, yellow 5 lake, red 40 lake, yellow 6 lake, blue 1 lake, corn starch, salt, shellac, soy lecithin, modified corn starch, carnauba wax, vanillin, artificial flavor, milk).