My absolute favorite brownies. No mixer needed and full of rich, fudgy chocolate.
1 cup Butter (2 sticks)
5 ounces, Unsweetened Chocolate
1/4 cup Cocoa Powder
2 cups Sugar
1 Tablespoon Pure Vanilla Extract
3 Large Eggs
1–1/4 cup Flour
3/4 cups Semi-Sweet Chocolate Chips
Powdered Sugar, For Sifting