INGREDIENTS
1
Sleeve Thin Mints
1
Box brownie mix
1
Large egg
1/3 cup
Vegetable oil
1/4 cup
Milk
1/2 cup
Unsalted butter
1/2 cup
Light brown sugar
1/2 cup
Sugar
1
Large egg
2 tsp
Pure vanilla extract
1 3/4 cups
All-purpose flour
1/2 tsp
Salt
1/2 tsp
Baking soda
2/3 cup
Mint chocolate chips