01 -
Preheat oven to 450F. Generously butter two 6-oz ramekins.
02 -
Microwave chocolate and butter in 20-second increments until melted. Stir to combine.
03 -
Beat egg, sugar, salt, and vanilla with electric mixer 2-3 minutes until light and tripled in volume.
04 -
Fold chocolate mixture into egg mixture. Sift in flour and fold gently. Add red food color and fold until combined.
05 -
Divide between ramekins. Bake 10-11 minutes until edges set but center wobbles. Cool 1-2 minutes, turn out onto plates, dust with powdered sugar.