Step 1

Line a round 8" cake pan with parchment paper and spray with non-stick spray. Set aside. Preheat oven to 375°.

Step 2

Melt butter in a large glass bowl in the microwave. Add the chocolate chips and let sit for 3-4 minutes. Stir together till chips melt, adding additional cooking time if needed. Let cool for 5 minutes.

Step 3

Whisk the sugar and vanilla into the chocolate mixture. Add the three eggs and whisk till well blended. Stir in the cocoa powder.

Step 4

Pour batter into prepared pan and spread evenly. Bake at 375° for 25 minutes or till toothpick comes out clean.

Step 5

Let cake cool in pan for about 10 minutes, then invert onto a cooling rack. Immediately flip right side up onto another cooling rack. Cool completely.

Step 6

Combine butter and chocolate chips in a glass bowl. Microwave for 1-3 minutes or till melted, stirring every 30 seconds.

Step 7

Spread glaze over cake. Let sit for several hours till chocolate sets.

Step 8

Serve cake as is, or with fresh berries, whipped cream, or ice cream.