INGREDIENTS
1 1/2 sticks
butter, melted, plus more for greasing foil
1 1/4 cups
sugar
2/3 cup
unsweetened cocoa powder
1/3 cup
flour
3
large eggs, lightly beaten
2 tsp
vanilla
1/4 tsp
salt
1/2 cup
semisweet chocolate chunks
Vanilla ice cream, for serving