Muffin-Tin Key Lime Pies

Heat oven to 350°F. Place foil muffin liner in each of 12 regular-size muffin cups. Spray liners with cooking spray.

In medium bowl, mix graham cracker crumbs, granulated sugar and melted butter. Divide mixture evenly among cups; press into cups using bottom of glass. Bake 8 to 10 minutes or until firm; remove. Cool 5 minutes.

Meanwhile, in large bowl, beat condensed milk and yolks with whisk. Stir in lime juice and 1 teaspoon of the lime peel. Divide mixture evenly among cups. Bake 9 to 11 minutes or until set. Cool completely in muffin pan on rack, then cover and refrigerate at least 2 hours but no longer than 12 hours.

Just before serving, beat whipping cream in medium bowl with electric mixture 45 to 90 seconds or until it just holds soft peaks. Add powdered sugar and remaining 2 teaspoons lime peel; beat to stiff peaks, 30 to 60 seconds. Top pies with whipped cream mixture.