Ingredient:

• 3 tablespoons unsalted butter, plus more for greasing the tin
• Cocoa powder or additional flour, for dusting the tin
• ⅓ cup quality bittersweet or semisweet chocolate chips or 2 ounces chocolate, chopped into small pieces
• 2 large eggs (we’ll use 1 yolk and 1 full egg)
• 2 tablespoons sugar
• ¼ teaspoon vanilla extract
• Pinch of salt
• 1 teaspoon flour (whole wheat, all purpose or gluten-free flour blend)
• Suggested garnishes: Powdered sugar, strawberry or vanilla ice cream, fresh sliced strawberries or whole raspberries