1In 8-inch skillet, melt butter over medium-high heat. Add rhubarb; cook about 5 minutes, stirring occasionally, until softened. Remove from heat. Stir in raspberries, agave nectar, vanilla, cinnamon and lime juice. Set aside to cool.
2Into each of 4 parfait cups or glasses, scoop 1 container of yogurt. Top each with 1/2 cup raspberry- rhubarb mixture and 1/4 cup granola. Garnish each with lime slice and mint leaves. Serve immediately.