Patti's Caramel Cake

Ingredients

• 0.5 cup butter 
• 2 cups confectioners' sugar 
• 0.5 cup brown sugar dark packed
• 3 large eggs 
• 0.5 cup brown sugar light packed
• 0.3 cup milk 
• 1 teaspoon vanilla extract pure
• 16.3 ounce duncan hines classic decadent cake mix white

Equipment

• frying pan
• sauce pan
• oven
• blender
• baking pan
• toothpicks
• wooden spoon

Directions

1. Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking pan.
2. Blend cake mix, 1 cup milk, 1/2 cup butter, eggs, and 2 tablespoons vanilla extract in a blender until batter is smooth, about 3 minutes.
3. Pour batter into the prepared pan.
4. Bake in the preheated oven until a toothpick inserted in the center of the cake comes out clean, about 30 minutes.
5. Heat 1/2 cup butter, light brown sugar, and dark brown sugar in a saucepan; bring to a boil.
6. Add 1/4 cup milk and 1 teaspoon vanilla extract and return to a boil.
7. Remove saucepan from heat and spoon confectioners' sugar, about 2 tablespoons at a time, into mixture using a wooden spoon, stirring after each addition until frosting is smooth.
8. Spread frosting over cake.