Preheat your oven to 350°F (175°C). Grease a 9-inch round cake pan or springform pan.

In a medium bowl, whisk together the flour, baking soda, and salt.

In a large bowl, combine the melted butter with brown and granulated sugars until smooth. Add eggs and vanilla extract, and mix until fully incorporated.

Gradually stir in the dry ingredients until just combined. Fold in the chocolate chips.

Spread the dough evenly into the prepared pan. Bake for 20-25 minutes until the edges are golden and the center is set yet soft.

Allow the cake to cool in the pan on a wire rack for about 15 minutes. Optionally, sprinkle a pinch of sea salt on top for an extra flavor kick.

Cut into 8-10 slices and serve.

In a large mixing bowl, beat the softened butter on medium speed until smooth and creamy (about 2 minutes).

Gradually add the sifted powdered sugar, one cup at a time, beating on low until incorporated. Once all the sugar is mixed in, increase the speed to medium and beat until smooth.

Add the heavy cream, vanilla extract, and salt, and beat on medium-high speed for an additional 2-3 minutes until light and fluffy.

Adjust consistency as needed with additional cream or powdered sugar.