Good-Cooking - Blueberry Puffs

Ingredients

• 2 cups fresh or 1 bag frozen blueberries
• 1 1/2 tablespoons cornstarch
• 1/3 cup water
• 1 teaspoon cinnamon
• 1/4 teaspoon nutmeg
• 1/4 teaspoon allspice
• 1 tablespoon lemon juice
• 1/3 cup light brown sugar
• 12 slices bread
• 6 eggs
• 2 cups half-and-half
• 1 teaspoon vanilla extract
• 1/4 cup granulated sugar