6 ounces semi-sweet chocolate, chopped into 1/2-inch pieces (recommended: Ghirardelli)
2 tablespoons unsalted butter, at room temperature
1/3 cup dark chocolate-covered espresso beans
1 cup flour
2 tablespoons unsweetened cocoa powder
1 teaspoon baking powder
1/4 teaspoon fine sea salt
3/4 cup sugar
2 eggs, at room temperature
2 tablespoons water
1 teaspoon pure vanilla extract
1 cup semi-sweet chocolate chips (recommended: Nestle Toll House)