1. Heat oven to 325 degrees . In a large bowl, whisk butter, egg and milk. Stir in brownie mix just until combined.
2. Coat 16 muffin tin cups with nonstick cooking spray and divide brownie batter evenly among prepared cups. Bake at 325 degrees for 25 minutes. Cool in pans on a wire rack for 15 minutes, then run a thin knife or spatula around brownie edges and remove from pans.
3. Gently press centers of brownies to make an indent. Place 3 almonds in each brownie nest.