INGREDIENTS
2
Egg yolk, large
2
Eggs, whole large
3 tsp
Active dry yeast
3 1/4 cups
All-purpose flour plus
3/4 tsp
Salt
3/4 cup
Sugar
1 tsp
Vanilla extract, pure
1 1/4 sticks
Butter, unsalted
5 tbsp
Butter, unsalted
1 tbsp
Heavy cream or whole milk
3/4 cup
Milk
1
Parchment paper
2
(3 1/2- to 4-oz) bars fine-quality bittersweet chocolate (no more than 60% cacao if marked), finely chopped
2 8 3/4- by 4 1/2- by 2 3/4-inch loaf pans
a stand mixer fitted with paddle attachment; 2 (8 3/4- by 4 1/2- by 2 3/4-inch) loaf pans; parchment paper