Add to an 8X8 pan lined with parchment and grease.
Bake on 350 degrees for 20 minutes.
Topping
While brownies are baking, melt butter over medium high heat.
Once boiling stir frequently until it turns amber to make brown butter.
Remove from the heat and add chocolate chips.
Stir until the chips melt completely.
Cool chocolate toffee sauce in the fridge for 5 to 10 minutes and then drizzle over brownies and let it set for about 30 minutes, you can refrigerate to set the toffee chocolate sauce faster if you wish.