Step 2: Into a 9-by-9-by-2-inch pan (or a 2-quart baking dish), put 2 quarts cubed stale bread.
Step 3: In a large bowl, whisk together 3/4 cup heavy cream, 3/4 cup milk, 7 large eggs, 1/2 cup sugar, 1 teaspoon vanilla extract and 1/4 cup limoncello. Pour over bread. Let sit 20 minutes.
Step 4: Cover pudding with foil. Bake 40 to 50 minutes or until pudding is set.
Step 1: In a small pan, combine 1/4 cup limoncello (or lemon juice) and 1/4 cup sugar. Bring to boil, stirring, to dissolve sugar. Drizzle over bread pudding. This dessert can be served warm or cold.