In a bowl combine butter & sugar, beat until light & fluffy. In another bowl whisk together flour & baking powder & add to butter/sugar mixture. Blend together.
Divide pastry between 6 individual tart pans. Using your fingertips, evenly press the dough into pans. Place on a baking sheet & blind bake for 10 minutes or until golden. Remove from oven & prepare custard & fruit.
Vanilla Cream Custard
In a small saucepan, bring milk to a simmer. In a bowl, whisk together sugar, cornstarch & salt. Add egg; whisk until blended.
Gradually whisk hot milk mixture into egg mixture. Return to same saucepan; whisk over medium heat until sauce thickens & boils, about 5 minutes. Whisk in vanilla & remove from heat to cool.
Roasted Tropical Fruit
Preheat oven to 450 F. Peel & thinly slice fruit.
In a small saucepan, melt butter & add brown sugar, salt, ginger, cinnamon, cardamom & vanilla; mix well.
Line a baking sheet with foil paper. Place sliced fruit on it & pour butter/sugar mixture over it. Gently turn fruit over to make sure all is evenly coated.
Bake for about 20-25 minutes, flipping over about half way through. The fruit is done when it turns a rich golden & begins to brown BEFORE it starts to blacken.
Place pastry shells on a serving platter. Divide vanilla custard between tart shells. Top with roasted tropical fruit & serve. Any extra fruit can be enjoyed just as a dish of fruit or with yogurt.