1. Blend batter ingredients and set in refrigerator until ready to assemble.
2. Spread the mascarpone cheese on the inside of each slice, set 3 slices aside Spread the jam or fresh fruit on 3 slices of bread, leaving approx 1/4 inch space from the edges. Top with the remaining prepared bread slices.
3. Dip the prepared slices into the batter, coat both sides.
4. In a buttered skillet, lightly saute each side till golden.
5. Remove filled toasts to a plate to cool a bit and set, filling will be hot.
6. Serve with your favourite syrup.