water (240 ml) • butter (80 grams) • all-purpose flour (120 grams) • eggs (about 200 grams) • milk (750 ml) • sugar (150 grams) • instant custard powder (67.5 grams) • praline chocolate (150 grams) • dark praline chocolate (150 grams) • butter (140 grams) + 10 tablespoons butter (140 grams)