Step 1
Preheat the oven to 350F (177C) and place a rack in the center of the oven. Grease a 8-inch (x-cm) square baking dish and line the bottom of the pan with parchment paper.
Step 2
In a large bowl, add both sugars, butter, eggs, real vanilla extract, nutmeg and whisk until lighter in color and thick in consistency, about 2 minutes. Add the baking soda, baking powder, sea salt and oat flour, whisking to combine. Then gently fold in the bananas.
Step 3
Alternate adding the flour and water in two batches, mixing each until just combined. completely. Fold in the chocolate chips and pour into the prepared pan.
Step 1
Sprinkle with the uncooked oats, sugar and lastly the chocolate chips.
Step 2
Bake in the center of the oven for 45 to 50 minutes. Set on a rack to cool
Use a gentle hand when stirring the oat flour and bananas into the batter.