Preheat oven to 350°F and line a 9x9-inch baking dish with parchment paper.
In a large bowl, whisk together the soy milk, eggs, maple syrup, mashed banana, and vanilla.
Stir in the oats, baking powder, cinnamon, and salt until combined.
Pour into baking dish and spread evenly.
Bake for 30 minutes.
Slice into 6 pieces and top with vanilla Greek yogurt, banana slices, and cacao nibs.
