The elegance of this easy appetizer belies its simplicity. Make-ahead tip: Toast the baguette slices and combine the cheese mixture well in advance, but assemble just before company arrives for the best results; it will all come together in a flash.
Serves 8 (serving size: 2 canapés)
1. Preheat broiler to high.
2. Lightly coat bread slices with cooking spray; broil 2 minutes on each side or until toasted. Combine mascarpone and next 3 ingredients (through cream cheese) in a small bowl. Stir in 1 tablespoon basil. Spread cheese mixture evenly among bread slices.
3. Wrap each peach wedge with 1 prosciutto piece. Top each bread slice with 1 wrapped peach wedge. Sprinkle with remaining 1 1/2 teaspoons basil. Serve immediately.