Cake au beurre fourré

Wheat flour, custard filling 20% (sugar, water, vegetable_oils_(coconut, palm), stabilizer (sorbitol), skimmed milk powder, lactose, glucose syrup, modified potato starch, free-range protein powder, thickener (guar gum), preservative (potassium sorbate, sodium propionate), milk protein, aroma, coloring (carotene)], sugar, 14% butter (milk), free-range egg, water, potato starch, raising agents (disodium diphosphate, sodium carbonate), stabilizers (sorbitol, dextrose), emulsifiers (mono - and diglycerides of fatty acids, polyglycerol esters of fatty acids, soya lecithin) , glucose-fructose syrup, salt, preservative (sorbic acid, calcium propionate, potassium sorbate, sodium propionate), rice flour, soy flour, thickener (guar gum, xanthan gum), milk protein, vegetable oils (rapeseed, sunflower), antioxidant: tocopherol-rich extract, color (carotene).