- Watch for the melted butter to begin to foam.
- Check often for light brown specks on the bottom of the skillet. (See if the melted butter has a nutty scent.) If so….
- Pour the melted butter into a bowl.
How To Make Frosting:
- Add 1 cup of powdered sugar at a time to the bowl. Stir immediately after adding the powdered sugar.
- Continue until you have added all 3 cups of powdered sugar. Make sure that all of the powdered sugar has been blended with the melted butter.
- Add the milk and vanilla extract. Use an electric mixer to blend everything.
- Top the brownies with the frosting. Spread the frosting to cover each corner of the pan and evenly coat the enter of the brownies.
- When cooled, cut into bars.
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