01 -
Preheat the oven to 350°F. Grease or line a mini muffin pan.
02 -
In a bowl, whisk melted butter and granulated sugar together until fully combined. Add eggs and vanilla extract, mixing well.
03 -
Stir in unsweetened cocoa powder, all-purpose flour, and salt until the mixture is smooth and no streaks remain.
04 -
Fill each cavity of the prepared muffin pan about two-thirds full with brownie batter. Bake for 15 to 18 minutes, or until set but still slightly soft in the center. Cool completely in the pan.
05 -
Cream softened butter, brown sugar, and granulated sugar together until light and fluffy. Add milk and vanilla extract, beating until combined.
06 -
Mix in heat-treated all-purpose flour until just combined. Gently fold in mini chocolate chips.
07 -
Press a small scoop of the egg-free cookie dough onto each cooled brownie bite, shaping it to cover the top.
08 -
Melt semi-sweet chocolate chips with butter or cream if using, stirring until smooth. Drizzle over the tops of the assembled bites.
09 -
Chill assembled brownie bites in the refrigerator for about 20 minutes to allow the chocolate topping to set.