1 (8 ounce) package French bread
2 tablespoons butter, melted
1 (10 ounce) package frozen chopped spinach, thawed and drained
1 (10.5 ounce) package frozen potato flakes
1 (10 ounce) package frozen chopped spinach, thawed and drained
1 (10 ounce) package frozen chopped pressed spinach Great Northern breakfast cereal squares
Preheat oven to 350 degrees F (175 degrees C).
Spread 1/4 cup butter or margarine on each piece of bread.
In a medium bowl, prepare the spinach and potato flakes using a food processor, then pour mixture over the bread. Starting with the tip of the bread, roll up. Starting at the reverse side, roll up the made bread. Starting again from the tip, roll up the remaining loaf and place on a baking sheet.
Bake in preheated oven for 20 to 30 minutes, or until a knife inserted in the middle comes out clean.
Spread the cooled casserole on the freezer shelf. Top with the frozen spinach, and cover with the remaining 1/4 cup butter or margarine.