One little fudgy brownie cake in a mug
Mix chocolate chips and butter in a microwave-safe bowl and cook on low power for 30 seconds increments, stirring in between, until the mixture is smooth.
Add honey and milk, stir well until fully combined.
Add beaten egg and stir. Add vanilla extract and salt, stir.
Gently fold in flour until combined.
Spoon into a large mug sprayed with non-stick cooking spray and microwave on medium power for three minutes.
Cool slightly and tap onto serving plate.