INGREDIENTS
2
Eggs, large
1/4 tsp
Baking powder
1 1/4 cups
Cane sugar
3/4 cup
Cocoa powder, natural unsweetened
2 oz
Dark or semi-sweet chocolate
1/2 tsp
Sea salt, fine
1 1/2 tsp
Vanilla extract
2/3 cup
Whole wheat flour or flour, white
1/2 tsp
Espresso powder or very finely ground coffee
1
cut into 2-inch slices 10 tablespoons unsalted butter, unsalted