Zucchini Creme Bars

INGREDIENTS

• 3 zucchini, sliced
•  
• 1 cup all-purpose flour
• 1/2 cup white sugar
• 1/2 cup very soft butter
• 2 cups evaporated milk
• 2 eggs
• 1 1/2 cups white sugar
• 1/4 cup all-purpose flour
• 1 tablespoon butter
• 2 teaspoons vanilla extract
• 1 tablespoon white sugar (optional)
• 1/2 teaspoon ground cinnamon (optional)