Ingredients 1/3 cup firmly packed dark brown sugar 1/4 cup all-purpose flour 1/4 cup cocoa powder 1/8 teaspoon salt 1/3 cup vegetable oil 1/4 cup milk 1 egg 1/2 teaspoon Pure Vanilla Extract, 4 Oz. 1/4 cup semi-sweet chocolate chips vanilla ice cream caramel ice cream topping chopped walnuts Tools Mug Cakes Baking Set Scoop-it Measuring Cups Scoop-it Measuring Spoons small bowl large bowl Cyclone Whisk Toothpick Professional Results Non-Stick 9 Inch Square Cake Pan Instructions Click to mark complete - Ingredients1/3 cup firmly-packed dark brown sugar1/4 cup all-purpose flour1/4 cup cocoa powder1/8 teaspoon salt1/3 cup vegetable oil1/4 cup milk1 egg1/2 teaspoon Wilton Pure Vanilla Extract1/4 cup semi-sweet chocolate chipsVanilla ice cream, optionalCaramel ice cream topping, optionalChopped walnuts, optional - Preheat oven to 350°F. Prepare mugs with vegetable pan spray and place in 9 in. x 9 in. square pan. - In small bowl, whisk together sugar, flour, cocoa powder and salt. - In large bowl, whisk together oil, milk, egg and vanilla. Add flour mixture and chocolate chips; stir until just combined. Divide evenly between mugs. - Bake 32-34 minutes, or until toothpick inserted in center comes out nearly clean. Cool mugs in pan on cooling grid 15-20 minutes or until mugs are cool enough to touch. Top with ice cream, caramel and nuts, if desired. Serve warm.Makes 4 brownies.