Ingredients

• 1 , 18.25 ounce
• 0.5 cups butter
• 0.5 cups shortening
• 1 cup white sugar
• 1 , 5 ounce
• 1 tablespoon vanilla extract

Instructions

1. 1 Bake cake according to package directions in a 9x13 inch pan. Cool and cut into bars. Cut each bar in half lengthwise to make two layers.
2. 2 In a large bowl, beat butter with an electric mixer until creamy. Beat in shortening, a little at a time, until fluffy. Gradually beat in sugar. Combine evaporated milk and vanilla and beat into filling, scraping the bowl, until fluffy.
3. 3 Sandwich the bars with the fluffy filling.

Nutrition per serving