Fresh Plum Tartlets

Ingredients

• 1 cup (250 mL) old-fashioned rolled oats
• 1/2 cup (125 mL) walnuts
• 1 cup (250 mL) corn flakes
• 1/2 cup (125 mL) sugar
• 2 large egg whites
• 2 tbsp (30 mL) fresh lime juice
• 1 tsp (5 mL) grated lime zest, plus extra for garnish
• 1/2 cup (125 mL) prune butter
• 1 lb (500 g) fresh plums, halved, pitted, and sliced into thin wedges