Ingredients

1 1/2

cups crushed pretzels

1/4

cup butter or margarine, melted

2

tablespoons sugar

1

                        box Betty Crocker™ Super Moist™ white cake mix

3/4

cup nonalcoholic margarita mix

1/3

cup vegetable oil

1/4

cup water

2

teaspoons grated lime peel

4

egg whites

1 1/2

cups Cool Whip frozen whipped topping, thawed

2

containers (6 oz each) Yoplait® Light Fat Free Key lime yogurt

2

teaspoons grated lime peel

1/3

cup coarsely crushed pretzels

Preparation

Heat oven to 350°F (325°F for dark or nonstick pans). Place paper baking cup in each of 24 regular-size muffin cups.

In small bowl, mix pretzel mixture ingredients until blended. Spoon about 1 tablespoon mixture in each cup.

In large bowl, beat cupcake ingredients with electric mixer on low speed 30 seconds, then on medium speed 2 minutes, scraping bowl occasionally. Divide batter evenly among cups (two-thirds full).

Bake 18 to 23 minutes or until toothpick inserted in center comes out clean. Cool 10 minutes; remove from pan to cooling rack. Cool completely.

In medium bowl, fold whipped topping, yogurt and 2 teaspoons lime peel until blended; frost cupcakes. Sprinkle with coarsely crushed pretzels. Store loosely covered in refrigerator.