Healthier Banana Chocolate Chunk Cake

Name: Healthier Banana Chocolate Chunk Cake
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: American
Ingredients: 4 small ripe bananas; 2 eggs; 1/4 cup olive oil ((or melted butter)); 1/2 cup honey ((or maple syrup)); 1 tsp vanilla extract; 1¾ cups oat flour; 3/4 cup almond flour; 1 tsp espresso powder ((optional)); 1 tsp cinnamon; 1½ tsp baking powder; 1/2 tsp baking soda; 1/4 tsp salt; 3 oz dark chocolate bar, (chopped)