01 - In a large bowl, combine rolled oats, almond flour, cocoa powder, and salt until evenly mixed.
02 - In a separate container, whisk together honey, melted coconut oil, and vanilla extract.
03 - Pour wet ingredients into the dry mixture and stir until a uniform dough forms. Press evenly into a greased 9x9 inch pan.
04 - Refrigerate the base for at least 30 minutes to set firmly.
05 - Whisk powdered sugar, cocoa powder, milk, and vanilla extract together until smooth and spreadable.
06 - Remove base from refrigerator and evenly spread the frosting over the chilled base.
07 - Return the frosted bars to the refrigerator for an additional 30 minutes before cutting into squares and serving.