Ingredients
Yield: 1 generous mug brownie
2 tablespoons coconut oil, melted and not hot (melted butter, lightly flavored olive oil or neutral oil like grapeseed also work)
1/4 cup all-purpose flour
2 tablespoons unsweetened cocoa powder
1/4 cup brown sugar
1 1/2 tablespoons coffee, at room temperature (water or milk -- dairy or non-dairy -- also work)
1/2 teaspoon vanilla extract
1 large egg
Salt, optional
Preparation
