Step 1: Preheat your oven to 350°F (175°C) to ensure even baking.
Step 2: Line a 9x9-inch baking dish with parchment paper or lightly grease it.
Step 3: In a large mixing bowl, mash the ripe bananas with a fork until smooth.
Step 4: Add the unsweetened almond butter to the mashed bananas and stir until well combined.
Step 5: Mix in the rolled oats and sea salt until everything is well incorporated.
Step 6: Gently fold in the fresh blueberries, being careful not to crush them.
Step 7: Pour the mixture into the prepared baking dish and spread it evenly.
Step 8: Bake for 25-30 minutes, or until the edges are golden brown and a toothpick comes out clean.
Step 9: Cool for about 10 minutes, then lift out and cool completely before slicing.