To prepare a strawberry bran squares baked goods recipe, first you need to gather your ingredients. First, you'll need 1 cup of rolled oats, 1 tablespoon of brown sugar, 2 tablespoons of butter, and 1 teaspoon of vanilla extract. Then, preheat your oven to 350 degrees F (180 degrees C) and prepare your baking pan. Line your pan with parchment paper and set aside. In another bowl, combine the flour, cocoa, baking powder, salt and baking soda. Add the dry ingredients to the wet ingredients and stir to combine. Pour the batter into the prepared pan and bake for 20 to 25 minutes, or until the tops are golden brown and the center is set. Remove the pan from the oven and allow it to cool for 5 minutes before serving.