Preheat oven: Set oven to 375°F (190°C).
Mix dry ingredients: In an 8x8-inch baking dish, stir together oats, cinnamon, baking powder, and salt.
2 cups wholewheat rolled oats, 1 teaspoon cinnamon, 1 teaspoon baking powder, ½ teaspoon salt
Mix wet ingredients: In a separate bowl, mash bananas and mix in milk, agave, flaxseed, olive oil, and vanilla. Let sit for 5 minutes to thicken. Add half of the chopped nuts (optional).
1 ½ cup plant-based milk, 2 tablespoon agave syrup, 1 tablespoon ground flaxseed, 1 tablespoon olive oil, 1 ½ teaspoon pure vanilla extract, 2 medium bananas, 1 cup nuts of choice
Combine: Pour the wet mixture into the dry and mix until combined. Stir in chopped nuts.
Bake: Clean the dish edges for a tidy look. Bake for 30 minutes or until golden on top and set in the center. Garnish with rest of the nuts.