Preheat oven to 375 degrees F (190 C) and lightly grease a 9x9 baking dish (adjust number/size of pan if altering batch size).
Rinse and dry bowl and add brown sugar, flour, almond meal, oats, cinnamon, and salt and stir. Add melted butter and mix until it resembles wet sand.
*There will be some liquid in the bottom of the pan, which you can either drain off or pour over the top of your ice cream.
*Nutrition information is a rough estimate.