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Margarita Birthday Cake for Adults

By the time your ADULT BIRTHDAYS start rolling around, many birthday cakes have been tried and tasted, but we doubt you've ever blown out the candles on a margarita-inspired birthday cake!

Perfect for a casual adult birthday celebration, this easy cake recipe tastes just like everyone's favorite cocktail and it couldn't be simpler to make.

  • Crust Ingredients:
  • 1-1/2 cups coarsely crushed pretzels
  • 1/2 cup sugar
  • 1/3 cup butter, melted
  • 2 tablespoons bottled nonalcoholic margarita mix
  • Cake Ingredients:
  • 1 box white cake mix
  • 1-1/4 cups bottled nonalcoholic margarita mix
  • 2 tablespoons tequila (optional)
  • 1/3 cup oil
  • 1 tablespoon grated lime peel (about 1 lime)
  • 3 egg whites
  • 1 container (8 oz) frozen whipped topping, thawed
  • Additional lime slices and/or green decorating sugars, if desired

Heat oven to 350°F. Grease bottom only of 13×9-inch pan with shortening and lightly.

In a medium bowl, mix pretzels, sugar, butter, and margarita mix. Spread evenly and press gently into bottom of pan. Set aside.

In a large bowl, beat cake mix, margarita mix, tequila (if using), oil, 1 tablespoon lime peel and the egg whites with electric mixer for about 2 minutes, scraping bowl occasionally. Pour batter over pretzel mixture.

Bake cake for 33 to 35 minutes or until light golden brown. Cool completely, about 2 hours. Frost with whipped topping; decorate with additional lime slices and or green sugars. Store covered in refrigerator.

Prep Time:

20 minutes

Cook Time:

35 minutes

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