Emergency Small Batch Brownies

Ingredients
3 tablespoons unsalted butter
5 tablespoons sugar
1 tablespoon DARK unsweetened cocoa powder
2 tablespoons unsweetened cocoa powder
1/2 teaspoon water
pinch salt
1/4 teaspoon vanilla extract
1/2 large egg (about 1 1/2 tablespoons of beaten egg)
1 1/2 tablespoons unbleached all purpose flour
handful chocolate chips (optional)

Preparation method