Step 1

Divide 1 tsp of butter between two four-inch (8 oz.) ramekins. Using your fingers, smear the butter all over the inside surface of the ramekins until they are coated. Tbsp of flour inside one ramekin and roll it around until the entire inside is dusted with flour. Pour the excess flour into the second ramekin and dust in the same manner. Discard the excess flour from the second ramekin.

Step 2

Preheat the oven to 450 degrees. In a small bowl combine the egg, egg yolk and white sugar. Using a mixer, whip the mixture until it is aerated and a light yellow color (about 2 minutes).

Step 3

In a small microwave safe bowl, combine the chocolate and butter. Microwave for 15 second intervals, stirring well between each interval. The chocolate will melt further as you stir between heating so stir well. My chocolate took 3, 15 second intervals (45 seconds total) to melt completely.

Step 4

Stir the remaining 1 Tbsp of flour and the melted butter/chocolate mixture into the whipped eggs and sugar. You can use the mixer again if desired but I just stirred really well with a fork.

Step 5

Divide the cake batter between the two ramekins. Place the ramekins on a baking sheet and place in the oven. Cook for 8-10 minutes. Keep a close eye on the cakes, you want to remove them from the oven when the edges are set but the centers are still soft and jiggly.