Chocolate Babka

Ingredients (From Smitten Kitchen) Dough 4 1/4 cups of flour 1/2 cup of sugar 2 tsp instant yeast 3 large eggs 1 small lemon’s zest 1/2 cup water 3/4 tsp salt 2/3 cup unsalted butter greasing oil Filling 4 1/2 oz dark chocolate 1/2 cup unsalted butter 1/2 cup powdered sugar 1/3 cup coca powder…