Heat oven to 350 degrees.
Prepare large casserole (about 12" x 18").
Slice bread sandwich style into 3/4" slices.
In food processor combine cream cheese, cottage cheese, powdered sugar and orange zest and process till smooth.
Make sandwiches by spreading bread generously with stuffing and placing in casserole in upright position until full.
In large bowl mix eggs and milk.
Pour egg mixture over sandwiches and let stand at least 15 minutes or overnight.
Turn each sandwich and let stand another 10 minutes.
Cover with aluminum foil.
Bake 45 minutes.
Uncover and brush with butter. Continue to bake till golden brown and puffy and egg liquid is done.
Remove and cool 10 minutes before serving.
Serve with fresh berries and maple syrup or fresh fruit syrup. Sprinkle with powdered sugar.
Variations: Add thin slices of apple; mix jam into stuffing, add banana and pineapple and serve with toasted coconut; delete sugar and use grated cheese and thin slices of ham in sandwiches.
Toppings include maple syrup and chopped toasted pecans, fresh peach syrup.