Preheat oven to 350'F. Grease an 8 inch by 4 inch loaf pan.
In a large bowl whisk together flour, cocoa powder, baking powder and espresso powder. Stir in salt and sugar.
Add yogurt, eggs, and oil. Whisk until batter is smooth.
Pour into the prepared loaf pan and bake for 50 minutes or until toothpick inserted in middle comes out clean. Cool in pan before removing and slicing.
The nutrition information provided are only estimates based on an online nutritional calculator. This is not a comprehensive list of all the nutrients in the recipe (i.e., does not include vitamins, cholesterol, etc). I am not a certified nutritionist. Please consult a nutritionist or doctor for accurate information and any dietary restrictions and concerns you may have.