INGREDIENTS
1 1/4 cups
granulated sugar
5 tbsp
unsalted butter
2
large eggs plus 1 egg yolk, cold
1 tsp
vanilla extract
3/4 cup
unsweetened cocoa powder
1/3 cup
vegetable oil
1/2 cup
all-purpose flour
1/8 tsp
baking soda
1 tbsp
cornstarch
1/4 tsp
salt
3/4 cup
semisweet chocolate chips
Best brownie ever